ID,Major group,Family,Genus hybrid marker,Genus,Species hybrid marker,Species,Infraspecific rank,Infraspecific epithet,Authorship,Taxonomic status in TPL,Nomenclatural status from original data source,Confidence level,Source,Source id,IPNI id,Publication,Collation,Page,Date,Accepted ID
tro-29201233,A,Plantaginaceae,,Penstemon,,"abietinus",,"","Pennell",Accepted,,M,TRO,29201233,187116-2,"Contr. U.S. Natl. Herb.","20(9): 376","376","1920",
kew-2554439,A,Plantaginaceae,,Penstemon,,"aboriginum",,"","M.E.Jones",Unresolved,,L,WCSP (in review),,187117-2,"Contr. W. Bot.","14: 35","","1912",
tro-29204868,A,Plantaginaceae,,Penstemon,,"absarokensis",,"","Evert",Accepted,,M,TRO,29204868,904893-1,"Madroño","31(3): 140–143, f. 1","140","1984",
tro-29201234,A,Plantaginaceae,,Penstemon,,"acaulis",,"","L.O. Williams",Accepted,,M,TRO,29201234,187118-2,"Ann. Missouri Bot. Gard.","21(2): 345–346","345","1934",
tro-29201235,A,Plantaginaceae,,Penstemon,,"acuminatus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201235,,"Edwards's Bot. Reg.","15: pl. 1285","pl. 1285","1829",
tro-29204307,A,Plantaginaceae,,Penstemon,,"acuminatus",var.,"congestus","M.E. Jones",Synonym,,L,TRO,29204307,187119-2,"Proc. Calif. Acad. Sci., ser. 2,","5(18): 714–715","714","1895",tro-29204306
kew-2554434,A,Plantaginaceae,,Penstemon,,"adamsianus",,"","Howell",Unresolved,,L,WCSP (in review),,187124-2,"Fl. N.W. Amer.","511","","1901",
tro-29204279,A,Plantaginaceae,,Penstemon,,"aggregatus",,"","Pennell",Synonym,,M,TRO,29204279,187125-2,"Contr. U.S. Natl. Herb.","20(9): 367–368","367","1920",tro-29201476
tro-29201237,A,Plantaginaceae,,Penstemon,,"alamosensis",,"","Pennell & G.T. Nisbet",Accepted,,M,TRO,29201237,807835-1,"Univ. Kansas Sci. Bull.","41(5): 709–711, f. 41, 43, 45","709","1960",
tro-29201238,A,Plantaginaceae,,Penstemon,,"albertinus",,"","Greene",Accepted,,M,TRO,29201238,187127-2,"Leafl. Bot. Observ. Crit.","1(12): 167","167","1906",
tro-29200155,A,Plantaginaceae,,Penstemon,,"albidus",,"","Nutt.",Accepted,,M,TRO,29200155,60431655-2,"Gen. N. Amer. Pl.","2: 53","53","1818",
kew-2554393,A,Plantaginaceae,,Penstemon,,"albifloris",,"","England",Unresolved,,L,WCSP (in review),,282290-2,"Great Basin Naturalist","42: 367","","1982",
tro-29204331,A,Plantaginaceae,,Penstemon,,"albifluvis",,"","England",Accepted,,M,TRO,29204331,187128-2,"Great Basin Naturalist","42(3): 367–368","367","1982",
tro-29201239,A,Plantaginaceae,,Penstemon,,"albomarginatus",,"","M.E. Jones",Accepted,,M,TRO,29201239,187129-2,"Contr. W. Bot.","12: 61","61","1908",
kew-2550785,A,Plantaginaceae,,Penstemon,,"albrightii",,"","A.Nelson & J.F.Macbr.",Unresolved,,L,WCSP (in review),,807985-1,"Bot. Gaz.","65: 69","","1918",
kew-2554403,A,Plantaginaceae,,Penstemon,,"albrightii",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187130-2,"Bot. Gaz.","65: 69","","1918",
tro-29201240,A,Plantaginaceae,,Penstemon,,"alluviorum",,"","Pennell",Accepted,,M,TRO,29201240,187131-2,"Man. S.E. Fl.","1203","1203","1933",
tro-29201241,A,Plantaginaceae,,Penstemon,,"alpinus",,"","Torr.",Accepted,,M,TRO,29201241,807986-1,"Ann. Lyceum Nat. Hist. New York","1(1[1]): 35–36","35","1823",
tro-29201242,A,Plantaginaceae,,Penstemon,,"alpinus",subsp.,"brandegeei","(Porter) Penland",Synonym,,L,TRO,29201242,187133-2,"Man. Pl. Colorado","641","641","1954",kew-2550721
tro-29201243,A,Plantaginaceae,,Penstemon,,"alpinus",subsp.,"magnus","(Pennell) Penland",Accepted,,L,TRO,29201243,187134-2,"Man. Pl. Colorado","641","641","1954",
tro-50079833,A,Plantaginaceae,,Penstemon,,"alpinus",f.,"riparius","(A. Nelson) Pennell",Accepted,,L,TRO,50079833,187135-2,"Contr. U.S. Natl. Herb.","20(9): 349","349","1920",
kew-2554399,A,Plantaginaceae,,Penstemon,,"alsinoides",,"","Greene",Unresolved,,L,WCSP (in review),,187136-2,"Leafl. Bot. Observ. Crit.","1: 162","","1906",
kew-2550053,A,Plantaginaceae,,Penstemon,,"amabilis",,"","G.N.Jones",Unresolved,,L,WCSP (in review),,187137-2,"Res. Stud. State Coll. Wash.","2: 126","","1930 publ. 1931",
tro-29200156,A,Plantaginaceae,,Penstemon,,"ambiguus",,"","Torr.",Accepted,,M,TRO,29200156,,"Ann. Lyceum Nat. Hist. New York","2: 228–229","228","1827",
tro-50079834,A,Plantaginaceae,,Penstemon,,"ambiguus",var.,"thurberi","(Torr.) A. Gray",Synonym,,L,TRO,50079834,187142-2,"Proc. Amer. Acad. Arts","6: 65","65","1862",tro-50264258
tro-29204315,A,Plantaginaceae,,Penstemon,,"ammophilus",,"","N.H. Holmgren & L.M. Shultz",Accepted,,M,TRO,29204315,187143-2,"Brittonia","34(4): 381–383, f. 1, 2 [map]","381","1982",
kew-2550730,A,Plantaginaceae,,Penstemon,,"amoenus",,"","Kunze",Unresolved,,L,WCSP (in review),,807989-1,"Index Seminum (LZ)","1840: ?","","1840",
tro-50296231,A,Plantaginaceae,,Penstemon,,"amphorellae",,"","Crosswh.",Accepted,,M,TRO,50296231,,"","","","",
kew-2550731,A,Plantaginaceae,,Penstemon,,"amplexicaulis",,"","Moench",Unresolved,,L,WCSP (in review),,807990-1,"Methodus","442","","1794",
kew-2550741,A,Plantaginaceae,,Penstemon,,"amplexicaulis",,"","Buckley",Unresolved,,L,WCSP (in review),,807991-1,"Proc. Acad. Nat. Sci. Philadelphia","1861: 461","","1862",
kew-2550034,A,Plantaginaceae,,Penstemon,,"amplus",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187145-2,"Amer. J. Bot.","25: 115","","1938",
tro-100373457,A,Plantaginaceae,,Penstemon,,"angelicus",,"","(I.M. Johnst.) Moran",Accepted,,M,TRO,100373457,187146-2,"Phytologia","45(6): 496","496","1980",
tro-29201245,A,Plantaginaceae,,Penstemon,,"anguineus",,"","Eastw.",Accepted,,M,TRO,29201245,187147-2,"Bull. Torrey Bot. Club","32(4): 208","208","1905",
tro-29200158,A,Plantaginaceae,,Penstemon,,"angustifolius",,"","Nutt. ex Pursh",Accepted,,M,TRO,29200158,,"Fl. Amer. Sept.","2: 738","738","1814",
tro-29200159,A,Plantaginaceae,,Penstemon,,"angustifolius",var.,"angustifolius","",Synonym,,L,TRO,29200159,,"","","","",tro-29200158
tro-50079707,A,Plantaginaceae,,Penstemon,,"angustifolius",subsp.,"caudatus","(A. Heller) D.D. Keck",Accepted,,L,TRO,50079707,187149-2,"J. Wash. Acad. Sci.","29(11): 490","490","1939",
tro-29201247,A,Plantaginaceae,,Penstemon,,"angustifolius",var.,"venosus","(D.D. Keck) N.H. Holmgren",Accepted,,L,TRO,29201247,187150-2,"Brittonia","31(1): 104","104","1979",
tro-29204302,A,Plantaginaceae,,Penstemon,,"angustifolius",subsp.,"venosus","D.D. Keck",Synonym,,L,TRO,29204302,187151-2,"J. Wash. Acad. Sci.","29(11): 490","490","1939",tro-29201247
tro-29203959,A,Plantaginaceae,,Penstemon,,"antirrhinoides",,"","Benth.",Accepted,,M,TRO,29203959,807995-1,"Prodr.","10: 594","594","1846",
tro-29203961,A,Plantaginaceae,,Penstemon,,"antirrhinoides",subsp.,"antirrhinoides","",Synonym,,L,TRO,29203961,,"","","","",tro-29203959
tro-50079709,A,Plantaginaceae,,Penstemon,,"antirrhinoides",var.,"microphyllus","(A. Gray) Munz & I.M. Johnst.",Synonym,,L,TRO,50079709,1020747-2,"Bull. Torrey Bot. Club","49(2): 43","43","1922",tro-29207710
tro-50149437,A,Plantaginaceae,,Penstemon,,"apateticus",,"","Straw",Accepted,,M,TRO,50149437,187156-2,"Bol. Soc. Bot. México","24: 42–43","42","1959",
tro-50175655,A,Plantaginaceae,,Penstemon,,"apateticus",subsp.,"townsendianus","Straw",Synonym,,L,TRO,50175655,187158-2,"Bol. Soc. Bot. México","24: 44","44","1959",tro-100364867
tro-29201249,A,Plantaginaceae,,Penstemon,,"arenarius",,"","Greene",Accepted,,M,TRO,29201249,187159-2,"Pittonia","1(19): 282","282","1889",
tro-29201250,A,Plantaginaceae,,Penstemon,,"arenicola",,"","A. Nelson",Accepted,,M,TRO,29201250,187160-2,"Bull. Torrey Bot. Club","25(5): 280–281","280","1898",
kew-2550739,A,Plantaginaceae,,Penstemon,,"argutus",,"","Paxton",Unresolved,,L,WCSP (in review),,807998-1,"Paxton's Mag. Bot.","6: 271","","1839",
tro-29201251,A,Plantaginaceae,,Penstemon,,"aridus",,"","Rydb.",Accepted,,M,TRO,29201251,187161-2,"Mem. New York Bot. Gard.","1: 348–349","348","1900",
kew-2554426,A,Plantaginaceae,,Penstemon,,"arizonicus",,"","A.Heller",Unresolved,,L,WCSP (in review),,187162-2,"Bull. Torrey Bot. Club","26: 591","","1899",
tro-29201252,A,Plantaginaceae,,Penstemon,,"arkansanus",,"","Pennell",Accepted,,M,TRO,29201252,187163-2,"Proc. Acad. Nat. Sci. Philadelphia","73(3B): 493–494","493","1921",
kew-2550041,A,Plantaginaceae,,Penstemon,,"assurgens",,"","D.D.Keck",Unresolved,,L,WCSP (in review),,187165-2,"Amer. Midl. Naturalist","23: 609","","1940",
tro-50206353,A,Plantaginaceae,,Penstemon,,"atropurpureus",,"","(Sweet) G. Don",Accepted,,L,TRO,50206353,808001-1,"Hort. Brit.","243","243","1830",
tro-29201253,A,Plantaginaceae,,Penstemon,,"attenuatus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201253,,"Edwards's Bot. Reg.","15: pl. 1295","pl. 1295","1830",
tro-29203847,A,Plantaginaceae,,Penstemon,,"attenuatus",var.,"attenuatus","",Synonym,,L,TRO,29203847,,"","","","",tro-29201253
tro-29203921,A,Plantaginaceae,,Penstemon,,"attenuatus",subsp.,"attenuatus","",Synonym,,L,TRO,29203921,,"","","","",tro-29201253
tro-29203845,A,Plantaginaceae,,Penstemon,,"attenuatus",var.,"militaris","(Greene) Cronquist",Accepted,,L,TRO,29203845,187172-2,"Vasc. Pl. Pacific N.W.","4: 373","373","1959",
tro-29203844,A,Plantaginaceae,,Penstemon,,"attenuatus",var.,"palustris","(Pennell) Cronquist",Accepted,,L,TRO,29203844,187174-2,"Vasc. Pl. Pacific N.W.","4: 373","373","1959",
tro-29203846,A,Plantaginaceae,,Penstemon,,"attenuatus",var.,"pseudoprocerus","(Rydb.) Cronquist",Accepted,,L,TRO,29203846,187176-2,"Vasc. Pl. Pacific N.W.","4: 373","373","1959",
tro-50107934,A,Plantaginaceae,,Penstemon,,"attenuatus",var.,"varians","A. Nelson",Synonym,,L,TRO,50107934,187178-2,"Bot. Gaz.","54(2): 146–147","146","1912",tro-29201477
tro-29201257,A,Plantaginaceae,,Penstemon,,"atwoodii",,"","S.L. Welsh",Accepted,,M,TRO,29201257,187179-2,"Great Basin Naturalist","35(4): 378","378","1975",
tro-29200161,A,Plantaginaceae,,Penstemon,,"auriberbis",,"","Pennell",Accepted,,M,TRO,29200161,187180-2,"Contr. U.S. Natl. Herb.","20(9): 339–340","339","1920",
kew-2550712,A,Plantaginaceae,,Penstemon,,"auricomus",,"","A.Nelson ex Rydb.",Unresolved,,L,WCSP (in review),,808004-1,"Bull. Torrey Bot. Club","36: 688","","1909",
kew-2554411,A,Plantaginaceae,,Penstemon,,"auricomus",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187181-2,"Bull. Torrey Bot. Club","36: 688","","1909",
tro-29204310,A,Plantaginaceae,,Penstemon,,"austinii",,"","Eastw.",Synonym,,M,TRO,29204310,187182-2,"Bull. Torrey Bot. Club","32(4): 206","206","1905",tro-29204309
tro-29201258,A,Plantaginaceae,,Penstemon,,"australis",,"","Small",Accepted,,M,TRO,29201258,187183-2,"Fl. S.E. U.S.","1060, 1337","1060","1903",
tro-29201259,A,Plantaginaceae,,Penstemon,,"azureus",,"","Benth.",Accepted,,M,TRO,29201259,,"Pl. Hartw.","327","327","1849",
tro-29203943,A,Plantaginaceae,,Penstemon,,"azureus",subsp.,"azureus","",Synonym,,L,TRO,29203943,,"","","","",tro-29201259
tro-29207725,A,Plantaginaceae,,Penstemon,,"azureus",var.,"azureus","",Synonym,,L,TRO,29207725,,"","","","",tro-29201259
tro-50133167,A,Plantaginaceae,,Penstemon,,"azureus",var.,"parvulus","A. Gray",Synonym,,L,TRO,50133167,187192-2,"Syn. Fl. N. Amer.","2(1): 272","272","1878",tro-50133170
tro-50133170,A,Plantaginaceae,,Penstemon,,"azureus",subsp.,"parvulus","(A. Gray) D.D. Keck",Accepted,,L,TRO,50133170,187191-2,"Univ. Calif. Publ. Bot.","16(11): 406","406","1932",
tro-29201261,A,Plantaginaceae,,Penstemon,,"baccharifolius",,"","Hook.",Accepted,,M,TRO,29201261,808008-1,"Bot. Mag.","78: pl. 4627","pl. 4627","1852",
kew-2554249,A,Plantaginaceae,,Penstemon,,"baccharifolius",var.,"schaffneri","Hemsl.",Unresolved,,L,WCSP (in review),,187194-2,"Biol. Cent.-Amer., Bot.","2: 443","","1882",kew-2550070
tro-50198570,A,Plantaginaceae,,Penstemon,,"bachimbensis",,"","Straw",Unresolved,,L,TRO,50198570,,"","","","",
kew-2554248,A,Plantaginaceae,,Penstemon,,"bakeri",,"","Greene",Unresolved,,L,WCSP (in review),,187195-2,"Pittonia","4: 318","","1901",
tro-29201262,A,Plantaginaceae,,Penstemon,,"barbatus",,"","(Cav.) Roth",Accepted,,L,TRO,29201262,808010-1,"Catal. Bot.","3: 49","49","1806",
tro-50173785,A,Plantaginaceae,,Penstemon,,"barbatus",var.,"barbatus","",Synonym,,L,TRO,50173785,,"","","","",tro-29201262
tro-50320416,A,Plantaginaceae,,Penstemon,,"barbatus",var.,"labrosus","A. Gray",Synonym,,L,TRO,50320416,318345-2,"Bot. California","1: 622","622","1876",tro-29201381
tro-29201263,A,Plantaginaceae,,Penstemon,,"barbatus",subsp.,"torreyi","(Benth.) D.D. Keck",Accepted,,L,TRO,29201263,187201-2,"J. Wash. Acad. Sci.","29(11): 491","491","1939",
tro-29201264,A,Plantaginaceae,,Penstemon,,"barbatus",subsp.,"trichander","(A. Gray) D.D. Keck",Accepted,,L,TRO,29201264,187202-2,"J. Wash. Acad. Sci.","29(11): 491","491","1939",
tro-50206345,A,Plantaginaceae,,Penstemon,,"barbatus",var.,"wislizeni","A. Gray",Synonym,,L,TRO,50206345,187204-2,"Proc. Amer. Acad. Arts","6: 59","59","1862",tro-50176064
tro-29201265,A,Plantaginaceae,,Penstemon,,"barnebyi",,"","N.H. Holmgren",Accepted,,M,TRO,29201265,187205-2,"Brittonia","31(2): 226–228, f. 4 [map], 5","226","1979",
tro-29201266,A,Plantaginaceae,,Penstemon,,"barrettiae",,"","A. Gray",Accepted,,M,TRO,29201266,,"Syn. Fil. (ed. 2)","2(1): 440","440","1886",
tro-50080354,A,Plantaginaceae,,Penstemon,,"berryi",,"","Eastw.",Synonym,,M,TRO,50080354,311986-2,"Bull. Torrey Bot. Club","32(4): 209–210","209","1905",tro-29206958
tro-29201267,A,Plantaginaceae,,Penstemon,,"bicolor",,"","(Brandegee) Clokey & D.D. Keck",Accepted,,M,TRO,29201267,187208-2,"Bull. S. Calif. Acad. Sci.","38(1): 12","12","1939",
tro-50296234,A,Plantaginaceae,,Penstemon,,"bolanus",,"","Straw",Accepted,,M,TRO,50296234,,"","","","",
tro-50119017,A,Plantaginaceae,,Penstemon,,"brachyanthus",,"","Pennell",Synonym,,M,TRO,50119017,187212-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 3–4","3","1941",tro-29203866
tro-29201269,A,Plantaginaceae,,Penstemon,,"bracteatus",,"","D.D. Keck",Accepted,,M,TRO,29201269,187213-2,"Leafl. W. Bot.","1(9): 82–83","82","1934",
tro-29204481,A,Plantaginaceae,,Penstemon,,"bradburyi",,"","Pursh",Accepted,,M,TRO,29204481,,"Fl. Amer. Sept.","2: 738","738","1814",
kew-2550721,A,Plantaginaceae,,Penstemon,,"brandegeei",,"","(Porter) Rydb.",Accepted,,M,WCSP (in review),,808014-1,"Mem. New York Bot. Gard.","1: 343","","1900",
tro-29204483,A,Plantaginaceae,,Penstemon,,"brevibarbatus",,"","Crosswhite",Accepted,,M,TRO,29204483,,"","","","",
tro-29201270,A,Plantaginaceae,,Penstemon,,"breviculus",,"","(D.D. Keck) G.T. Nisbet & R.C. Jacks.",Accepted,,M,TRO,29201270,187215-2,"Univ. Kansas Sci. Bull.","41(5): 734","734","1960",
tro-29203955,A,Plantaginaceae,,Penstemon,,"breviflorus",,"","Lindl.",Synonym,,M,TRO,29203955,808015-1,"Edwards's Bot. Reg.","23: pl. 1946","pl. 1946","1837",tro-29201010
tro-50107881,A,Plantaginaceae,,Penstemon,,"brevifolius",,"","(A. Gray) A. Nelson",Synonym,,M,TRO,50107881,187221-2,"New Man. Bot. Centr. Rocky Mt.","445","445","1909",tro-29201372
kew-2550715,A,Plantaginaceae,,Penstemon,,"brevilabris",,"","A.Gray",Unresolved,,L,WCSP (in review),,,"Proc. Amer. Acad. Arts","17: 229","","1882",
kew-2554271,A,Plantaginaceae,,Penstemon,,"brevis",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187222-2,"Bot. Gaz.","54: 417","","1912",
kew-2549952,A,Plantaginaceae,,Penstemon,,"brevisepalus",,"","Pennell",Accepted,,M,WCSP (in review),,,"Man. S.E. Fl.","1204","","1933",
tro-29204388,A,Plantaginaceae,,Penstemon,,"brevisepalus",f.,"brevisepalus","",Synonym,,L,TRO,29204388,,"","","","",kew-2549952
tro-29201272,A,Plantaginaceae,,Penstemon,,"bridgesii",,"","A. Gray",Accepted,,M,TRO,29201272,808019-1,"Proc. Amer. Acad. Arts","7: 379","379","1868",
tro-29204542,A,Plantaginaceae,,Penstemon,,"brittoniorum",,"","Pennell",Accepted,,M,TRO,29204542,,"Man. S.E. Fl.","1204, 1508","1204","1933",
kew-2549953,A,Plantaginaceae,,Penstemon,,"brittonoruro",,"","Pennell ex Peattie",Unresolved,,L,WCSP (in review),,,"J. Elisha Mitchell Sci. Soc.","45: 276","","1930",
tro-29201273,A,Plantaginaceae,,Penstemon,×,"bryantiae",,"","D.D. Keck",Accepted,,M,TRO,29201273,,"Amer. Midl. Naturalist","18(5): 820","820","1937",
tro-29200162,A,Plantaginaceae,,Penstemon,,"buckleyi",,"","Pennell",Accepted,,M,TRO,29200162,291169-2,"Proc. Acad. Nat. Sci. Philadelphia","73(3B): 486","486","1921",
kew-2549955,A,Plantaginaceae,,Penstemon,,"cacuminis",,"","Pennell",Unresolved,,L,WCSP (in review),,291168-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 2","","1941",
kew-2549948,A,Plantaginaceae,,Penstemon,,"caelestinus",,"","Pennell",Unresolved,,L,WCSP (in review),,187226-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","95: 1","","1942",
tro-50080704,A,Plantaginaceae,,Penstemon,,"caeruleum",,"","Nutt.",Synonym,,M,TRO,50080704,60431633-2,"Gen. N. Amer. Pl.","2: 52–53","52","1818",tro-50080705
kew-2550758,A,Plantaginaceae,,Penstemon,,"caeruleus",,"","Bailly",Unresolved,,L,WCSP (in review),,,"Fl. Pleine Terre","ed. 2: 651","","1866",
tro-29201274,A,Plantaginaceae,,Penstemon,,"caesius",,"","A. Gray",Accepted,,M,TRO,29201274,808022-1,"Proc. Amer. Acad. Arts","19: 92","92","1883",
tro-29201275,A,Plantaginaceae,,Penstemon,,"caespitosus",,"","Nutt. ex A. Gray",Accepted,,M,TRO,29201275,808023-1,"Proc. Amer. Acad. Arts","6: 66","66","1862",
tro-29204294,A,Plantaginaceae,,Penstemon,,"caespitosus",var.,"caespitosus","",Synonym,,L,TRO,29204294,,"","","","",tro-29201275
tro-29202490,A,Plantaginaceae,,Penstemon,,"caespitosus",var.,"desertipicti","(A. Nelson) N.H. Holmgren",Accepted,,L,TRO,29202490,187227-2,"Brittonia","31(1): 104","104","1979",
tro-50004345,A,Plantaginaceae,,Penstemon,,"caespitosus",var.,"suffruticosus","A. Gray",Synonym,,L,TRO,50004345,290700-2,"Syn. Fl. N. Amer.","2(1): 270","270","1878",tro-50110059
tro-50110059,A,Plantaginaceae,,Penstemon,,"caespitosus",subsp.,"suffruticosus","(A. Gray) D.D. Keck",Accepted,,L,TRO,50110059,187231-2,"Bull. Torrey Bot. Club","64(6): 365","365","1937",
tro-29201278,A,Plantaginaceae,,Penstemon,,"calcareus",,"","Brandegee",Accepted,,M,TRO,29201278,187234-2,"Zoë","5(9): 152","152","1903",
tro-29201279,A,Plantaginaceae,,Penstemon,,"californicus",,"","(Munz & I.M. Johnst.) D.D. Keck",Accepted,,M,TRO,29201279,187235-2,"Bull. Torrey Bot. Club","64(6): 378","378","1937",
tro-29201280,A,Plantaginaceae,,Penstemon,,"calycosus",,"","Small",Accepted,,M,TRO,29201280,187236-2,"Bull. Torrey Bot. Club","25(9): 470–471","470","1898",
kew-2550756,A,Plantaginaceae,,Penstemon,,"campanulatus",,"","(Cav.) Willd.",Accepted,,M,WCSP (in review),,808027-1,"Sp. Pl.","3: 228","","1800",
tro-100365494,A,Plantaginaceae,,Penstemon,,"campanulatus",var.,"chihuahuensis","(Straw) B.L. Turner",Accepted,,L,TRO,100365494,77106965-1,"Phytoneuron","2010(31): 2","2","2010",
tro-50175653,A,Plantaginaceae,,Penstemon,,"campanulatus",subsp.,"chihuahuensis","Straw",Synonym,,L,TRO,50175653,187239-2,"Brittonia","15(1): 59","59","1963",tro-100365494
tro-29201281,A,Plantaginaceae,,Penstemon,,"canescens",,"","(Britton) Britton",Accepted,,M,TRO,29201281,187244-2,"Mem. Torrey Bot. Club","5(19): 291","291","1894",
tro-29204385,A,Plantaginaceae,,Penstemon,,"canescens",f.,"brittoniorum","(Pennell) Fernald",Accepted,,L,TRO,29204385,,"Rhodora","51(604): 84","84","1949",
tro-50316056,A,Plantaginaceae,,Penstemon,,"canescens",subsp.,"brittoniorum","(Pennell) Pennell",Synonym,,L,TRO,50316056,,"Acad. Nat. Sci. Philadelphia Monogr.","1: 222","222","1935",tro-29204385
tro-29204386,A,Plantaginaceae,,Penstemon,,"canescens",f.,"canescens","",Synonym,,L,TRO,29204386,,"","","","",tro-29201281
tro-50326844,A,Plantaginaceae,,Penstemon,,"canosobarbatum",,"","Kellogg",Unresolved,,L,TRO,50326844,187249-2,"Proc. Calif. Acad. Sci.","2: 15","15","1863",
tro-29201282,A,Plantaginaceae,,Penstemon,,"cardinalis",,"","Wooton & Standl.",Accepted,,M,TRO,29201282,187250-2,"Contr. U.S. Natl. Herb.","16(4): 171–172","171","1913",
tro-29201283,A,Plantaginaceae,,Penstemon,,"cardinalis",subsp.,"regalis","(A. Nelson) G.T. Nisbet & R.C. Jacks.",Accepted,,L,TRO,29201283,187251-2,"Univ. Kansas Sci. Bull.","41(5): 707","707","1960",
tro-29201284,A,Plantaginaceae,,Penstemon,,"cardwellii",,"","Howell",Accepted,,M,TRO,29201284,,"Fl. N.W. Amer.","5: 510–511","510","1901",
kew-2554195,A,Plantaginaceae,,Penstemon,,"carinatus",,"","Kellogg",Unresolved,,L,WCSP (in review),,187253-2,"Proc. Calif. Acad. Sci.","1: 63","","1855",
tro-29201285,A,Plantaginaceae,,Penstemon,,"carnosus",,"","Pennell",Accepted,,M,TRO,29201285,807858-1,"Ann. Carnegie Mus.","26: 329–330","329","1937",
tro-29201286,A,Plantaginaceae,,Penstemon,,"caryi",,"","Pennell",Accepted,,M,TRO,29201286,187255-2,"Contr. U.S. Natl. Herb.","20(9): 354–355","354","1920",
tro-50079706,A,Plantaginaceae,,Penstemon,,"caudatus",,"","A. Heller",Synonym,,M,TRO,50079706,187256-2,"Minnesota Bot. Stud.","2(1): 34–35","34","1898",tro-50079707
tro-50296235,A,Plantaginaceae,,Penstemon,,"cedrosensis",,"","Krautter",Accepted,,M,TRO,50296235,187257-2,"Contr. Bot. Lab. Morris Arbor. Univ. Pennsylvania","3: 129","129","1908",
tro-29201287,A,Plantaginaceae,,Penstemon,,"centranthifolius",,"","(Benth.) Benth.",Accepted,,L,TRO,29201287,808036-1,"Scroph. Ind.","7","7","1835",
kew-2549961,A,Plantaginaceae,,Penstemon,,"cephalanthus",,"","Pennell",Unresolved,,L,WCSP (in review),,187258-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","95: 3","","1942",
tro-50119022,A,Plantaginaceae,,Penstemon,,"cephalophorus",,"","Greene",Synonym,,M,TRO,50119022,312126-2,"Leafl. Bot. Observ. Crit.","1(5): 79","79","1904",tro-29207736
tro-50146273,A,Plantaginaceae,,Penstemon,,"cerrosensis",,"","Kellogg",Accepted,,M,TRO,50146273,187260-2,"Proc. Calif. Acad. Sci.","2: 19–20","19","1863",
kew-2550746,A,Plantaginaceae,,Penstemon,,"chionophilus",,"","Greene",Unresolved,,L,WCSP (in review),,808039-1,"Leafl. Bot. Observ. Crit.","1: 161","","1906",
kew-2554220,A,Plantaginaceae,,Penstemon,,"chionophilus",,"","Greene ex C.F.Baker",Unresolved,,L,WCSP (in review),,,"Leafl. Bot. Observ. Crit.","1: 161","","1906",
kew-2550747,A,Plantaginaceae,,Penstemon,,"cinerascens",,"","Greene",Unresolved,,L,WCSP (in review),,808040-1,"Leafl. Bot. Observ. Crit.","1: 161","","1906",
kew-2554197,A,Plantaginaceae,,Penstemon,,"cinerascens",,"","Greene ex C.F.Baker",Unresolved,,L,WCSP (in review),,,"Leafl. Bot. Observ. Crit.","1: 161","","1906",
tro-29203922,A,Plantaginaceae,,Penstemon,,"cinereus",,"","Piper",Accepted,,M,TRO,29203922,187264-2,"Contr. U.S. Natl. Herb.","16(5): 209","209","1913",
tro-29203924,A,Plantaginaceae,,Penstemon,,"cinereus",subsp.,"cinereus","",Synonym,,L,TRO,29203924,,"","","","",tro-29203922
tro-29201288,A,Plantaginaceae,,Penstemon,,"cinicola",,"","D.D. Keck",Accepted,,M,TRO,29201288,,"Publ. Carnegie Inst. Wash.","520: 294","294","1940",
tro-29201289,A,Plantaginaceae,,Penstemon,,"cleburnei",,"","M.E. Jones",Accepted,,M,TRO,29201289,282294-2,"Contr. W. Bot.","12: 62–63","62","1908",
tro-29201290,A,Plantaginaceae,,Penstemon,,"clevelandii",,"","A. Gray",Accepted,,M,TRO,29201290,808043-1,"Proc. Amer. Acad. Arts","11: 94","94","1876",
tro-50289856,A,Plantaginaceae,,Penstemon,,"clevelandii",var.,"angelicus","I.M. Johnst.",Synonym,,L,TRO,50289856,187269-2,"Proc. Calif. Acad. Sci., ser. 4,","12(30): 1165","1165","1924",tro-100373457
tro-29203937,A,Plantaginaceae,,Penstemon,,"clevelandii",subsp.,"clevelandii","",Synonym,,L,TRO,29203937,,"","","","",tro-29201290
tro-29201291,A,Plantaginaceae,,Penstemon,,"clevelandii",subsp.,"connatus","(Munz & I.M. Johnst.) D.D. Keck",Accepted,,L,TRO,29201291,187270-2,"Amer. Midl. Naturalist","18(5): 811","811","1937",
tro-29207728,A,Plantaginaceae,,Penstemon,,"clevelandii",var.,"connatus","Munz & I.M. Johnst.",Synonym,,L,TRO,29207728,187271-2,"Bull. Torrey Bot. Club","49(12): 357","357","1922",tro-29201291
tro-29200163,A,Plantaginaceae,,Penstemon,,"clutei",,"","A. Nelson",Synonym,,M,TRO,29200163,187276-2,"Amer. Bot. (Binghamton)","33(3): 109–110","109","1927",tro-100373200
tro-29200164,A,Plantaginaceae,,Penstemon,,"cobaea",,"","Nutt.",Accepted,,M,TRO,29200164,,"Trans. Amer. Philos. Soc., n.s.,","5(6[3]): 182","182","1837",
tro-29200166,A,Plantaginaceae,,Penstemon,,"cobaea",var.,"purpureus","Pennell",Synonym,,L,TRO,29200166,187278-2,"Proc. Acad. Nat. Sci. Philadelphia","73(3B): 490","490","1921",tro-29201293
tro-29201293,A,Plantaginaceae,,Penstemon,,"cobaea",subsp.,"purpureus","(Pennell) Pennell",Accepted,,L,TRO,29201293,187277-2,"Acad. Nat. Sci. Philadelphia Monogr.","1: 250","250","1935",
kew-2554216,A,Plantaginaceae,,Penstemon,,"coccinatus",,"","Rydb.",Unresolved,,L,WCSP (in review),,187280-2,"Bull. Torrey Bot. Club","36: 691","","1909",
kew-2550752,A,Plantaginaceae,,Penstemon,,"coccineus",,"","Engelm.",Unresolved,,L,WCSP (in review),,,"Mem. Tour N. Mexico","107","","1848",
kew-2550753,A,Plantaginaceae,,Penstemon,,"coeruleus",,"","Torr.",Unresolved,,L,WCSP (in review),,808048-1,"Ann. Lyceum Nat. Hist. New York","2: 220","","1828",
kew-2550754,A,Plantaginaceae,,Penstemon,,"coeruleus",,"","Nutt.",Unresolved,,L,WCSP (in review),,808049-1,"Gen. N. Amer. Pl.","2: 52","","1818",
kew-2554214,A,Plantaginaceae,,Penstemon,,"collinus",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187282-2,"Bull. Torrey Bot. Club","25: 279","","1898",
tro-50080461,A,Plantaginaceae,,Penstemon,,"coloradoensis",,"","A. Nelson",Synonym,,M,TRO,50080461,187283-2,"Bull. Torrey Bot. Club","26(7): 355","355","1899",tro-29201399
tro-50107875,A,Plantaginaceae,,Penstemon,,"coloradoensis",subsp.,"sileri","(A. Gray) Pennell",Synonym,,L,TRO,50107875,187285-2,"Contr. U.S. Natl. Herb.","20(9): 363","363","1920",tro-29201402
kew-2549933,A,Plantaginaceae,,Penstemon,,"colvillii",,"","Huber",Unresolved,,L,WCSP (in review),,928113-1,"Cat. Graines","1868: 5","","1868",
tro-29201294,A,Plantaginaceae,,Penstemon,,"comarrhenus",,"","A. Gray",Accepted,,M,TRO,29201294,,"Proc. Amer. Acad. Arts","12: 81–82","81","1876",
tro-29204327,A,Plantaginaceae,,Penstemon,,"compactus",,"","(D.D. Keck) Crosswh.",Accepted,,M,TRO,29204327,187286-2,"Amer. Midl. Naturalist","77(1): 6","6","1967",
tro-29201295,A,Plantaginaceae,,Penstemon,,"concinnus",,"","D.D. Keck",Accepted,,M,TRO,29201295,187287-2,"Amer. Midl. Naturalist","23(3): 608–609","608","1940",
tro-29201296,A,Plantaginaceae,,Penstemon,,"confertus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201296,,"Edwards's Bot. Reg.","15: pl. 1260","pl. 1260","1829",
tro-29204283,A,Plantaginaceae,,Penstemon,,"confertus",var.,"aberrans","M.E. Jones",Synonym,,L,TRO,29204283,187288-2,"Proc. Calif. Acad. Sci., ser. 2,","5(18): 715","715","1895",tro-29201454
tro-50079837,A,Plantaginaceae,,Penstemon,,"confertus",var.,"attenuatus","(Douglas ex Lindl.) M.E. Jones",Accepted,,L,TRO,50079837,187289-2,"Contr. W. Bot.","12: 62","62","1908",
tro-50316462,A,Plantaginaceae,,Penstemon,,"confertus",var.,"geniculatus","(Greene) Jeps.",Accepted,,L,TRO,50316462,187291-2,"Man. Fl. Pl. Calif.","914","914","1925",
tro-50113593,A,Plantaginaceae,,Penstemon,,"confertus",var.,"globosus","Piper",Synonym,,L,TRO,50113593,187292-2,"Bull. Torrey Bot. Club","27(7): 397","397","1900",tro-29201352
tro-50119019,A,Plantaginaceae,,Penstemon,,"confertus",var.,"modestus","(Greene) Jeps.",Synonym,,L,TRO,50119019,187293-2,"Man. Fl. Pl. Calif.","914–915","914","1925",tro-29204284
tro-29201297,A,Plantaginaceae,,Penstemon,,"confusus",,"","M.E. Jones",Accepted,,M,TRO,29201297,187299-2,"Zoë","4(3): 280","280","1893",
tro-29204308,A,Plantaginaceae,,Penstemon,,"confusus",var.,"patens","M.E. Jones",Synonym,,L,TRO,29204308,187301-2,"Contr. W. Bot.","12: 63","63","1908",tro-29201442
tro-50079698,A,Plantaginaceae,,Penstemon,,"congestus",,"","(M.E. Jones) Pennell",Synonym,,M,TRO,50079698,187303-2,"Ann. Carnegie Mus.","26: 331","331","1937",tro-29204306
tro-50104061,A,Plantaginaceae,,Penstemon,,"connatifolius",,"","A. Nelson",Synonym,,M,TRO,50104061,187304-2,"Amer. J. Bot.","18(6): 437–438","437","1931",tro-29201461
kew-2550918,A,Plantaginaceae,,Penstemon,,"connatus",,"","Deppe",Unresolved,,L,WCSP (in review),,808054-1,"Allg. Gartenzeitung","12: 276","","1844",
kew-2550919,A,Plantaginaceae,,Penstemon,,"cordatus",,"","M.Martens & Galeotti",Unresolved,,L,WCSP (in review),,808055-1,"Bull. Acad. Roy. Sci. Bruxelles","12(2): 17","","1845",
kew-2550920,A,Plantaginaceae,,Penstemon,,"cordatus",,"","Walp.",Unresolved,,L,WCSP (in review),,808056-1,"Repert. Bot. Syst.","3: 249","","1844",
tro-29203962,A,Plantaginaceae,,Penstemon,,"cordifolius",,"","Benth.",Accepted,,M,TRO,29203962,,"Scroph. Ind.","7","7","1835",
tro-29203963,A,Plantaginaceae,,Penstemon,,"corymbosus",,"","Benth.",Accepted,,M,TRO,29203963,808058-1,"Prodr.","10: 593","593","1846",
tro-29201298,A,Plantaginaceae,,Penstemon,,"crandallii",,"","A. Nelson",Accepted,,M,TRO,29201298,187308-2,"Bull. Torrey Bot. Club","26(7): 354–355","354","1899",
tro-29204292,A,Plantaginaceae,,Penstemon,,"crandallii",var.,"crandallii","",Synonym,,L,TRO,29204292,,"","","","",tro-29201298
tro-29201300,A,Plantaginaceae,,Penstemon,,"crandallii",subsp.,"glabrescens","(Pennell) D.D. Keck",Accepted,,L,TRO,29201300,187311-2,"Bull. Torrey Bot. Club","64(6): 369","369","1937",
tro-29201302,A,Plantaginaceae,,Penstemon,,"crandallii",subsp.,"procumbens","(Greene) D.D. Keck",Accepted,,L,TRO,29201302,187313-2,"Bull. Torrey Bot. Club","64(6): 369","369","1937",
tro-29201301,A,Plantaginaceae,,Penstemon,,"crandallii",var.,"taosensis","(D.D. Keck) G.T. Nisbet & R.C. Jacks.",Accepted,,L,TRO,29201301,187312-2,"Univ. Kansas Sci. Bull.","41(5): 726","726","1960",
kew-2550915,A,Plantaginaceae,,Penstemon,,"crassifolius",,"","Lindl.",Unresolved,,L,WCSP (in review),,808060-1,"Edwards's Bot. Reg.","24: t. 16","","1838",
kew-2550925,A,Plantaginaceae,,Penstemon,,"crassifolius",,"","Shuttlew. ex Benth.",Unresolved,,L,WCSP (in review),,808061-1,"Prodr.","10: 327","","1846",
kew-2554358,A,Plantaginaceae,,Penstemon,,"crassulus",,"","Wooton & Standl.",Unresolved,,L,WCSP (in review),,187316-2,"Contr. U. S. Natl. Herb.","16: 172","","1913",
tro-29201303,A,Plantaginaceae,,Penstemon,×,"crideri",,"","A. Nelson",Accepted,,M,TRO,29201303,187317-2,"Amer. J. Bot.","23(4): 270","270","1936",
kew-2554367,A,Plantaginaceae,,Penstemon,,"cristatus",,"","Nutt.",Unresolved,,L,WCSP (in review),,60431643-2,"Gen. N. Amer. Pl.","2: 52","","1818",
tro-29201304,A,Plantaginaceae,,Penstemon,,"cusickii",,"","A. Gray",Accepted,,M,TRO,29201304,808064-1,"Proc. Amer. Acad. Arts","16: 106","106","1880",
tro-29201305,A,Plantaginaceae,,Penstemon,,"cyananthus",,"","Hook.",Accepted,,M,TRO,29201305,808065-1,"Bot. Mag.","75: pl. 4464","pl. 4464","1849",
kew-2554363,A,Plantaginaceae,,Penstemon,,"cyananthus",var.,"brandegeei","Porter",Synonym,,L,WCSP (in review),,282295-2,"Syn. Fl. Colorado","91","","1874",kew-2550721
tro-29204324,A,Plantaginaceae,,Penstemon,,"cyananthus",var.,"cyananthus","",Synonym,,L,TRO,29204324,,"","","","",tro-29201305
tro-29204323,A,Plantaginaceae,,Penstemon,,"cyananthus",subsp.,"longiflorus","Pennell",Synonym,,L,TRO,29204323,187321-2,"Contr. U.S. Natl. Herb.","20(9): 353","353","1920",tro-29204322
tro-29204325,A,Plantaginaceae,,Penstemon,,"cyananthus",var.,"subglaber","(A. Gray) N.H. Holmgren",Accepted,,L,TRO,29204325,187322-2,"Brittonia","31(1): 105","105","1979",
tro-29201308,A,Plantaginaceae,,Penstemon,,"cyaneus",,"","Pennell",Accepted,,M,TRO,29201308,187324-2,"Contr. U.S. Natl. Herb.","20(9): 351–352","351","1920",
tro-29201309,A,Plantaginaceae,,Penstemon,,"cyanocaulis",,"","Payson",Accepted,,M,TRO,29201309,187325-2,"Bot. Gaz.","60(5): 380–381","380","1915",
tro-29201310,A,Plantaginaceae,,Penstemon,,"cyathophorus",,"","Rydb.",Accepted,,M,TRO,29201310,187326-2,"Bull. Torrey Bot. Club","31(12): 643","643","1904",
tro-29201311,A,Plantaginaceae,,Penstemon,,"dasyphyllus",,"","A. Gray",Accepted,,M,TRO,29201311,,"Rep. U.S. Mex. Bound.","2(1): 112–113","112","1859",
tro-29201312,A,Plantaginaceae,,Penstemon,,"davidsonii",,"","Greene",Accepted,,M,TRO,29201312,187328-2,"Pittonia","2(11C): 241–242","241","1892",
tro-29203849,A,Plantaginaceae,,Penstemon,,"davidsonii",var.,"davidsonii","",Synonym,,L,TRO,29203849,,"","","","",tro-29201312
tro-50126831,A,Plantaginaceae,,Penstemon,,"dayanus",,"","Howell",Synonym,,M,TRO,50126831,,"Fl. N.W. Amer.","5: 511–512","511","1901",tro-29203932
tro-29201314,A,Plantaginaceae,,Penstemon,,"deamii",,"","Pennell",Accepted,,M,TRO,29201314,187334-2,"Acad. Nat. Sci. Philadelphia Monogr.","1: 212–213, map 43","212","1935",
tro-29201315,A,Plantaginaceae,,Penstemon,,"deaveri",,"","Crosswh.",Accepted,,M,TRO,29201315,187335-2,"Amer. Midl. Naturalist","77(1): 6","6","1967",
tro-29204866,A,Plantaginaceae,,Penstemon,,"debilis",,"","O'Kane & J.L. Anderson",Accepted,,M,TRO,29204866,282296-2,"Brittonia","39(4): 412–416, f. 1, 2 [map]","412","1987",
kew-2550012,A,Plantaginaceae,,Penstemon,,"decurvus",,"","Pennell ex Crosswh.",Unresolved,,L,WCSP (in review),,187336-2,"Leafl. W. Bot.","10: 172","","1965",
tro-29201316,A,Plantaginaceae,,Penstemon,,"degeneri",,"","Crosswh.",Accepted,,M,TRO,29201316,187337-2,"Amer. Midl. Naturalist","74(2): 434, 436, f. 1 [map], 4","434","1965",
kew-2554352,A,Plantaginaceae,,Penstemon,,"depressus",,"","Greene",Unresolved,,L,WCSP (in review),,187338-2,"Leafl. Bot. Observ. Crit.","1: 162","","1906",
kew-2554351,A,Plantaginaceae,,Penstemon,,"deserticola",,"","Piper",Unresolved,,L,WCSP (in review),,187339-2,"Proc. Biol. Soc. Wash.","32: 43","","1919",
tro-29204295,A,Plantaginaceae,,Penstemon,,"desertipicti",,"","A. Nelson",Synonym,,M,TRO,29204295,187340-2,"Univ. Wyoming Publ. Sci., Bot.","1(5): 130–131","130","1926",tro-29202490
kew-2554350,A,Plantaginaceae,,Penstemon,,"desertorum",,"","M.E.Jones",Unresolved,,L,WCSP (in review),,187341-2,"Contr. W. Bot.","12: 59","","1908",
tro-29201317,A,Plantaginaceae,,Penstemon,,"deustus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201317,30007350-2,"Edwards's Bot. Reg.","16: pl. 1318","pl. 1318","1830",
tro-29203851,A,Plantaginaceae,,Penstemon,,"deustus",var.,"deustus","",Synonym,,L,TRO,29203851,,"","","","",tro-29201317
tro-29203928,A,Plantaginaceae,,Penstemon,,"deustus",subsp.,"deustus","",Synonym,,L,TRO,29203928,,"","","","",tro-29201317
tro-29203850,A,Plantaginaceae,,Penstemon,,"deustus",var.,"heterander","(Torr. & A. Gray) Cronquist",Accepted,,L,TRO,29203850,,"Vasc. Pl. Pacific N.W.","4: 380","380","1959",
kew-2550899,A,Plantaginaceae,,Penstemon,,"diffusus",,"","Douglas",Unresolved,,L,WCSP (in review),,808076-1,"Bot. Reg.","14: t. 1132","","1828",
tro-29200167,A,Plantaginaceae,,Penstemon,,"digitalis",,"","Nutt. ex Sims",Accepted,,M,TRO,29200167,187353-2,"Bot. Mag.","52: pl. 2587","pl. 2587","1825",
tro-50079836,A,Plantaginaceae,,Penstemon,,"digitalis",var.,"attenuatus","(Douglas ex Lindl.) Trautv.",Synonym,,L,TRO,50079836,187355-2,"Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg","5: 345","345","1839",tro-50079837
tro-50107886,A,Plantaginaceae,,Penstemon,,"digitalis",var.,"gracilis","(Nutt.) Trautv.",Synonym,,L,TRO,50107886,187358-2,"Bull. Acad. Imp. Sci. Saint-Petersbourg","5: 345","345","1839",kew-2550854
kew-2554287,A,Plantaginaceae,,Penstemon,,"dimorphus",,"","Kuntze",Unresolved,,L,WCSP (in review),,187360-2,"Revis. Gen. Pl.","2: 463","","1891",
tro-29201321,A,Plantaginaceae,,Penstemon,,"diphyllus",,"","Rydb.",Accepted,,M,TRO,29201321,187361-2,"Mem. New York Bot. Gard.","1: 349–350","349","1900",
tro-29201322,A,Plantaginaceae,,Penstemon,,"discolor",,"","D.D. Keck",Accepted,,M,TRO,29201322,187362-2,"Bull. Torrey Bot. Club","64(6): 379–380","379","1937",
tro-29201323,A,Plantaginaceae,,Penstemon,,"dissectus",,"","Elliott",Accepted,,M,TRO,29201323,808080-1,"Sketch Bot. S. Carolina","2(2): 129–130","129","1822",
tro-29204298,A,Plantaginaceae,,Penstemon,,"distans",,"","N.H. Holmgren",Accepted,,M,TRO,29204298,187363-2,"Brittonia","32(3): 326–328, f. 1, 2 [map]","326","1980",
kew-2554285,A,Plantaginaceae,,Penstemon,,"divergens",,"","M.E.Jones",Unresolved,,L,WCSP (in review),,187364-2,"Contr. W. Bot.","12: 64","","1908",
tro-29201324,A,Plantaginaceae,,Penstemon,,"dolius",,"","M.E. Jones ex Pennell",Accepted,,M,TRO,29201324,187365-2,"Contr. U.S. Natl. Herb.","20(9): 341","341","1920",
tro-29204297,A,Plantaginaceae,,Penstemon,,"dolius",var.,"dolius","",Synonym,,L,TRO,29204297,,"","","","",tro-29201324
kew-2550933,A,Plantaginaceae,,Penstemon,,"douglasii",,"","Hook.",Unresolved,,L,WCSP (in review),,808083-1,"Fl. Bor.-Amer.","2: 98","","1838",
tro-100373393,A,Plantaginaceae,,Penstemon,×,"dubius",,"","Davidson",Unresolved,,L,TRO,100373393,187368-2,"Bull. S. Calif. Acad. Sci.","28(1): 6, pl. 3","6","1929",
tro-29204246,A,Plantaginaceae,,Penstemon,,"duchesnensis",,"","(N.H. Holmgren) Neese",Accepted,,M,TRO,29204246,943354-1,"Great Basin Naturalist","46(3): 459","459","1986",
kew-2554283,A,Plantaginaceae,,Penstemon,,"eastwoodiae",,"","A.Heller",Unresolved,,L,WCSP (in review),,187369-2,"Muhlenbergia","1: 4","","1900",
tro-29201326,A,Plantaginaceae,,Penstemon,,"eatonii",,"","A. Gray",Accepted,,M,TRO,29201326,30182808-2,"Proc. Amer. Acad. Arts","8: 395","395","1872",
tro-29203941,A,Plantaginaceae,,Penstemon,,"eatonii",subsp.,"eatonii","",Synonym,,L,TRO,29203941,,"","","","",tro-29201326
tro-29204333,A,Plantaginaceae,,Penstemon,,"eatonii",var.,"eatonii","",Synonym,,L,TRO,29204333,,"","","","",tro-29201326
tro-29201327,A,Plantaginaceae,,Penstemon,,"eatonii",subsp.,"exsertus","(A. Nelson) D.D. Keck",Accepted,,L,TRO,29201327,187370-2,"J. Wash. Acad. Sci.","29(11): 491","491","1939",
kew-2549970,A,Plantaginaceae,,Penstemon,×,"edithae",,"","English",Unresolved,,L,WCSP (in review),,807875-1,"Natl. Hort. Mag.","26: 108","","1947",
kew-2550951,A,Plantaginaceae,,Penstemon,,"elegans",,"","Poir.",Unresolved,,L,WCSP (in review),,808086-1,"Dict. Sci. Nat.","38: 384","","1825",
tro-29201329,A,Plantaginaceae,,Penstemon,,"elegantulus",,"","Pennell",Accepted,,M,TRO,29201329,187373-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 14–15","14","1941",
tro-29201330,A,Plantaginaceae,,Penstemon,,"ellipticus",,"","J.M. Coult. & Fisher",Accepted,,M,TRO,29201330,187374-2,"Bot. Gaz.","18(8): 302–303","302","1893",
kew-2550954,A,Plantaginaceae,,Penstemon,,"erianthera",,"","Fraser ex Nutt.",Unresolved,,L,WCSP (in review),,60431649-2,"Gen. N. Amer. Pl.","2: 52","","1818",
tro-29201331,A,Plantaginaceae,,Penstemon,,"eriantherus",,"","Pursh",Accepted,,M,TRO,29201331,60431651-2,"Fl. Amer. Sept.","2: 737–738","737","1814",
tro-29203853,A,Plantaginaceae,,Penstemon,,"eriantherus",var.,"eriantherus","",Synonym,,L,TRO,29203853,,"","","","",tro-29201331
tro-50107904,A,Plantaginaceae,,Penstemon,,"eriantherus",subsp.,"saliens","(Rydb.) Pennell",Accepted,,L,TRO,50107904,,"Contr. U.S. Natl. Herb.","20(9): 343","343","1920",
tro-29201334,A,Plantaginaceae,,Penstemon,,"eriantherus",var.,"whitedii","(Piper) A. Nelson",Accepted,,L,TRO,29201334,187379-2,"Bot. Gaz.","54(2): 148","148","1912",
kew-2554315,A,Plantaginaceae,,Penstemon,,"erosus",,"","Rydb.",Unresolved,,L,WCSP (in review),,187380-2,"Bull. Torrey Bot. Club","28: 28","","1901",
tro-29201335,A,Plantaginaceae,,Penstemon,,"euglaucus",,"","English",Accepted,,M,TRO,29201335,187381-2,"Proc. Biol. Soc. Wash.","41(45): 197–198","197","1928",
tro-50084212,A,Plantaginaceae,,Penstemon,,"exilifolius",,"","A. Nelson",Synonym,,M,TRO,50084212,187382-2,"Bull. Torrey Bot. Club","28(4): 230–231","230","1901",tro-29201390
tro-50146272,A,Plantaginaceae,,Penstemon,,"eximius",,"","D.D. Keck",Accepted,,M,TRO,50146272,187384-2,"Amer. Midl. Naturalist","18(5): 798–799, f. 1 [map]","798","1937",
tro-50102527,A,Plantaginaceae,,Penstemon,,"exsertus",,"","A. Nelson",Synonym,,M,TRO,50102527,187385-2,"Amer. J. Bot.","18(6): 438","438","1931",tro-29201327
tro-50053064,A,Plantaginaceae,,Penstemon,,"fasciculatus",,"","A. Gray",Accepted,,M,TRO,50053064,,"","","","",
tro-29200170,A,Plantaginaceae,,Penstemon,,"fendleri",,"","Torr. & A. Gray",Accepted,,M,TRO,29200170,808094-1,"Pacif. Railr. Rep.","2(4): 168, pl. 5","168","1857",
kew-2550960,A,Plantaginaceae,,Penstemon,,"filifolius",,"","Nutt. ex Benth.",Unresolved,,L,WCSP (in review),,808095-1,"Prodr.","10: 322","","1846",
tro-29201336,A,Plantaginaceae,,Penstemon,,"filiformis",,"","(D.D. Keck) D.D. Keck",Accepted,,M,TRO,29201336,187388-2,"Ill. Fl. Pacific States","3: 761","761","1951",
tro-50296236,A,Plantaginaceae,,Penstemon,,"filisepalis",,"","Straw",Accepted,,M,TRO,50296236,,"","","","",
tro-29201337,A,Plantaginaceae,,Penstemon,,"flavescens",,"","Pennell",Accepted,,M,TRO,29201337,187390-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","95: 4–5","4","1942",
kew-2554324,A,Plantaginaceae,,Penstemon,,"flaviflorus",,"","M.E.Jones",Unresolved,,L,WCSP (in review),,187391-2,"Contr. W. Bot.","12: 66","","1908",
tro-29204247,A,Plantaginaceae,,Penstemon,,"floribundus",,"","Danley",Accepted,,M,TRO,29204247,282300-2,"Brittonia","37(3): 321–323, f. 1–2","321","1985",
tro-29201338,A,Plantaginaceae,,Penstemon,,"floridus",,"","Brandegee",Accepted,,M,TRO,29201338,187392-2,"Bot. Gaz.","27(6): 454","454","1899",
tro-29204309,A,Plantaginaceae,,Penstemon,,"floridus",var.,"austinii","(Eastw.) N.H. Holmgren",Accepted,,L,TRO,29204309,187393-2,"Brittonia","31(1): 105","105","1979",
tro-29203936,A,Plantaginaceae,,Penstemon,,"floridus",subsp.,"floridus","",Synonym,,L,TRO,29203936,,"","","","",tro-29201338
tro-29204311,A,Plantaginaceae,,Penstemon,,"floridus",var.,"floridus","",Synonym,,L,TRO,29204311,,"","","","",tro-29201338
tro-29204869,A,Plantaginaceae,,Penstemon,,"flowersii",,"","Neese & S.L. Welsh",Accepted,,M,TRO,29204869,187396-2,"Great Basin Naturalist","43(3): 429–431, f. 1","429","1983",
tro-29204286,A,Plantaginaceae,,Penstemon,,"formosus",,"","A. Nelson",Synonym,,M,TRO,29204286,1074987-2,"Proc. Biol. Soc. Wash.","17(12): 100","100","1904",tro-29203865
tro-29204321,A,Plantaginaceae,,Penstemon,,"francisci-pennellii",,"","Crosswh.",Synonym,,M,TRO,29204321,282301-2,"Leafl. W. Bot.","10(10): 170–171","170","1965",tro-29204320
kew-2549991,A,Plantaginaceae,,Penstemon,,"franklinii",,"","S.L.Welsh",Unresolved,,L,WCSP (in review),,300268-2,"Rhodora","95: 414","","1993",
tro-29201340,A,Plantaginaceae,,Penstemon,,"fremontii",,"","Torr. & A. Gray",Accepted,,M,TRO,29201340,808099-1,"Proc. Amer. Acad. Arts","6: 60–61","60","1862",
tro-29204326,A,Plantaginaceae,,Penstemon,,"fremontii",var.,"subglaber","A. Gray",Synonym,,L,TRO,29204326,290697-2,"Syn. Fl. N. Amer.","2(1): 262","262","1878",tro-29204325
tro-29205944,A,Plantaginaceae,,Penstemon,,"frutescens",,"","Lamb.",Synonym,,M,TRO,29205944,808101-1,"Trans. Linn. Soc. London","10(2): 259, t. 6","259","1811",tro-29205469
tro-29201341,A,Plantaginaceae,,Penstemon,,"fruticiformis",,"","Coville",Accepted,,M,TRO,29201341,187400-2,"Contr. U.S. Natl. Herb.","4: 170","170","1893",
tro-29203935,A,Plantaginaceae,,Penstemon,,"fruticiformis",subsp.,"fruticiformis","",Synonym,,L,TRO,29203935,,"","","","",tro-29201341
tro-29207733,A,Plantaginaceae,,Penstemon,,"fruticiformis",var.,"fruticiformis","",Synonym,,L,TRO,29207733,,"","","","",tro-29201341
tro-29201343,A,Plantaginaceae,,Penstemon,,"fruticosus",,"","(Pursh) Greene",Accepted,,L,TRO,29201343,187405-2,"Pittonia","2(11C): 239","239","1892",
tro-29203856,A,Plantaginaceae,,Penstemon,,"fruticosus",var.,"fruticosus","",Synonym,,L,TRO,29203856,,"","","","",tro-29201343
tro-29203946,A,Plantaginaceae,,Penstemon,,"fruticosus",subsp.,"fruticosus","",Synonym,,L,TRO,29203946,,"","","","",tro-29201343
tro-29203855,A,Plantaginaceae,,Penstemon,,"fruticosus",var.,"scouleri","(Lindl.) Cronquist",Accepted,,L,TRO,29203855,187410-2,"Vasc. Pl. Pacific N.W.","4: 385","385","1959",
tro-29201346,A,Plantaginaceae,,Penstemon,,"gairdneri",,"","Hook.",Accepted,,M,TRO,29201346,808104-1,"Fl. Bor.-Amer.","2: 99","99","1838",
tro-29203858,A,Plantaginaceae,,Penstemon,,"gairdneri",var.,"gairdneri","",Synonym,,L,TRO,29203858,,"","","","",tro-29201346
tro-29203927,A,Plantaginaceae,,Penstemon,,"gairdneri",subsp.,"gairdneri","",Synonym,,L,TRO,29203927,,"","","","",tro-29201346
tro-29203926,A,Plantaginaceae,,Penstemon,,"gairdneri",subsp.,"hians","(Piper) D.D. Keck",Accepted,,L,TRO,29203926,187413-2,"Amer. Midl. Naturalist","23(3): 597","597","1940",
tro-50113591,A,Plantaginaceae,,Penstemon,,"gairdneri",var.,"hians","Piper",Synonym,,L,TRO,50113591,187414-2,"Bull. Torrey Bot. Club","27(7): 396–397","396","1900",tro-29203926
tro-29201347,A,Plantaginaceae,,Penstemon,,"gairdneri",subsp.,"oreganus","(A. Gray) D.D. Keck",Accepted,,L,TRO,29201347,187415-2,"Amer. Midl. Naturalist","23(3): 596","596","1940",
tro-50296237,A,Plantaginaceae,,Penstemon,,"galloensis",,"","G.L. Nesom",Accepted,,M,TRO,50296237,303532-2,"Phytologia","71(5): 335–336","335","1991",
kew-2553425,A,Plantaginaceae,,Penstemon,,"garrettii",,"","Pennell",Synonym,,M,WCSP (in review),,282303-2,"Contr. U. S. Natl. Herb.","20: 353","","1920",kew-2550092
tro-50314814,A,Plantaginaceae,,Penstemon,,"geniculatus",,"","Greene",Synonym,,M,TRO,50314814,187419-2,"Pittonia","3(18D): 310–311","310","1898",tro-50316462
kew-2550948,A,Plantaginaceae,,Penstemon,,"gentianoides",,"","(Kunth) Poir.",Accepted,,M,WCSP (in review),,808108-1,"Dict. Sci. Nat.","38: 385","","1825",
tro-50048819,A,Plantaginaceae,,Penstemon,,"gentryi",,"","Standl.",Accepted,,M,TRO,50048819,187420-2,"Publ. Field Mus. Nat. Hist., Bot. Ser.","17(2): 209","209","1937",
tro-29204870,A,Plantaginaceae,,Penstemon,,"gibbensii",,"","Dorn",Accepted,,M,TRO,29204870,187421-2,"Brittonia","34(3): 334–335","334","1982",
kew-2550940,A,Plantaginaceae,,Penstemon,,"giganteus",,"","C.Morren",Unresolved,,L,WCSP (in review),,808109-1,"Ann. Soc. Roy. Agric. Gand","2: 143","","1846",
tro-29200171,A,Plantaginaceae,,Penstemon,,"glaber",,"","Pursh",Accepted,,M,TRO,29200171,,"Fl. Amer. Sept.","2: 738","738","1814",
tro-29202357,A,Plantaginaceae,,Penstemon,,"glaber",var.,"brandegeei","(Porter) C.C. Freeman",Synonym,,L,TRO,29202357,282304-2,"Phytologia","60(2): 105","105","1986",kew-2550721
tro-29200172,A,Plantaginaceae,,Penstemon,,"glaber",var.,"glaber","",Synonym,,L,TRO,29200172,,"","","","",tro-29200171
kew-2550942,A,Plantaginaceae,,Penstemon,,"glaberrimus",,"","Bevis ex W.H.Baxter",Unresolved,,L,WCSP (in review),,808111-1,"Hort. Brit.","ed. 3: 654","","1839",
tro-50107891,A,Plantaginaceae,,Penstemon,,"glabrescens",,"","Pennell",Synonym,,M,TRO,50107891,187433-2,"Contr. U.S. Natl. Herb.","20(9): 375–376","375","1920",tro-29201300
tro-29201349,A,Plantaginaceae,,Penstemon,,"glandulosus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201349,808113-1,"Edwards's Bot. Reg.","15: pl. 1262","pl. 1262","1829",
tro-29203945,A,Plantaginaceae,,Penstemon,,"glandulosus",subsp.,"glandulosus","",Synonym,,L,TRO,29203945,,"","","","",tro-29201349
kew-2553453,A,Plantaginaceae,,Penstemon,,"glastifolius",,"","Greene",Unresolved,,L,WCSP (in review),,187436-2,"Leafl. Bot. Observ. Crit.","1: 162","","1906",
kew-2550946,A,Plantaginaceae,,Penstemon,,"glaucifolius",,"","A.Gray",Unresolved,,L,WCSP (in review),,808115-1,"Pacif. Railr. Rep. Parke, Bot.","6: 82","","1857",
tro-29201351,A,Plantaginaceae,,Penstemon,,"glaucinus",,"","Pennell",Accepted,,M,TRO,29201351,187437-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 10","10","1941",
kew-2550897,A,Plantaginaceae,,Penstemon,,"glaucophyllus",,"","Scheele",Unresolved,,L,WCSP (in review),,808116-1,"Linnaea","21: 763","","1849",
kew-2550950,A,Plantaginaceae,,Penstemon,,"glaucus",,"","Graham",Unresolved,,L,WCSP (in review),,808117-1,"Edinburgh New Philos. J.","1829(July-Oct.): 348","","1829",
tro-50107893,A,Plantaginaceae,,Penstemon,,"glaucus",var.,"stenosepalus","A. Gray",Synonym,,L,TRO,50107893,187439-2,"Proc. Amer. Acad. Arts","6: 70","70","1862",tro-50107895
tro-29201352,A,Plantaginaceae,,Penstemon,,"globosus",,"","(Piper) Pennell & see Keck, David Daniels",Accepted,,M,TRO,29201352,,"Publ. Carnegie Inst. Wash.","520: 294","294","1940",
tro-29200173,A,Plantaginaceae,,Penstemon,,"gloxinioides",,"","hort.",Unresolved,,L,TRO,29200173,,"","","","",
tro-29201353,A,Plantaginaceae,,Penstemon,,"goodrichii",,"","N.H. Holmgren",Accepted,,M,TRO,29201353,187441-2,"Brittonia","30(4): 416–419, f. 1, 2 [map]","416","1978",
kew-2550851,A,Plantaginaceae,,Penstemon,,"gordonianus",,"","A.Gray",Unresolved,,L,WCSP (in review),,808119-1,"Pacif. Railr. Rep. Parke, Bot.","12(2, Bot.): 45","","1860",
kew-2550905,A,Plantaginaceae,,Penstemon,,"gordonii",,"","Hook.",Unresolved,,L,WCSP (in review),,808118-1,"Bot. Mag.","73: t. 4319","","1847",
kew-2550852,A,Plantaginaceae,,Penstemon,,"gormanii",,"","Greene",Accepted,,M,WCSP (in review),,187442-2,"Ottawa Naturalist","16: 39","","1902",
tro-29204138,A,Plantaginaceae,,Penstemon,,"gormanii",f.,"gormanii","",Synonym,,L,TRO,29204138,,"","","","",kew-2550852
tro-29201355,A,Plantaginaceae,,Penstemon,,"gracilentus",,"","A. Gray",Accepted,,M,TRO,29201355,808121-1,"Pacif. Railr. Rep.","6(3): 82","82","1857",
kew-2550854,A,Plantaginaceae,,Penstemon,,"gracilis",,"","Nutt.",Accepted,,M,WCSP (in review),,808122-1,"Gen. N. Amer. Pl.","2: 52","","1818",
tro-29200175,A,Plantaginaceae,,Penstemon,,"gracilis",var.,"gracilis","",Synonym,,L,TRO,29200175,,"","","","",kew-2550854
tro-29204389,A,Plantaginaceae,,Penstemon,,"gracilis",var.,"wisconsinensis","(Pennell) Fassett",Accepted,,L,TRO,29204389,187447-2,"Spring Fl. Wisconsin (ed. 2)","144","144","1938",
tro-29201357,A,Plantaginaceae,,Penstemon,,"grahamii",,"","D.D. Keck ex E.H. Graham",Accepted,,M,TRO,29201357,187448-2,"Ann. Carnegie Mus.","26: 331–332","331","1937",
kew-2553446,A,Plantaginaceae,,Penstemon,,"grandiflorus",,"","Nutt.",Accepted,,M,WCSP (in review),,320295-2,"Cat. Pl. Upper Louisiana","64","","1813",
kew-2553445,A,Plantaginaceae,,Penstemon,,"griffinii",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187518-2,"Bot. Gaz.","56: 70","","1913",
tro-29201358,A,Plantaginaceae,,Penstemon,,"grinnellii",,"","Eastw.",Accepted,,M,TRO,29201358,187519-2,"Bull. Torrey Bot. Club","32(4): 207–208","207","1905",
tro-29204214,A,Plantaginaceae,,Penstemon,,"grinnellii",subsp.,"grinnellii","",Synonym,,L,TRO,29204214,,"","","","",tro-29201358
tro-29207735,A,Plantaginaceae,,Penstemon,,"grinnellii",var.,"grinnellii","",Synonym,,L,TRO,29207735,,"","","","",tro-29201358
tro-29207734,A,Plantaginaceae,,Penstemon,,"grinnellii",var.,"scrophularioides","(M.E. Jones) N.H. Holmgren",Accepted,,L,TRO,29207734,970359-1,"Brittonia","44(4): 482","482","1992",
tro-29201360,A,Plantaginaceae,,Penstemon,,"guadalupensis",,"","A. Heller",Accepted,,M,TRO,29201360,187521-2,"Contr. Herb. Frankl. & Marsh. Coll.","1: 92, pl. 7","92","1895",
tro-50079555,A,Plantaginaceae,,Penstemon,,"guadalupensis",subsp.,"ernestii","Pennell",Synonym,,L,TRO,50079555,,"Acad. Nat. Sci. Philadelphia Monogr.","1: 252–253, map 64","252","1935",tro-50079556
tro-50079556,A,Plantaginaceae,,Penstemon,,"guadalupensis",var.,"ernestii","(Pennell) Cory",Accepted,,L,TRO,50079556,,"Rhodora","38(455): 407","407","1936",
tro-29201361,A,Plantaginaceae,,Penstemon,,"hallii",,"","A. Gray",Accepted,,M,TRO,29201361,808127-1,"Proc. Amer. Acad. Arts","6: 70–71","70","1862",
tro-50102525,A,Plantaginaceae,,Penstemon,,"hallii",var.,"arizonicus","A. Gray",Synonym,,L,TRO,50102525,187525-2,"Syn. Fl. N. Amer.","2(1): 263","263","1878",tro-50102526
kew-2549971,A,Plantaginaceae,,Penstemon,,"hansonii",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187526-2,"Publ. Sci. Univ. Wyoming, Bot.","1: 129","","1926",
tro-29201362,A,Plantaginaceae,,Penstemon,,"harbourii",,"","A. Gray",Accepted,,M,TRO,29201362,808128-1,"Proc. Amer. Acad. Arts","6: 71","71","1862",
tro-29201363,A,Plantaginaceae,,Penstemon,,"harringtonii",,"","Penland",Accepted,,M,TRO,29201363,187527-2,"Madroño","14(5): 153–156, f. 1","153","1958",
tro-50149438,A,Plantaginaceae,,Penstemon,,"hartwegii",,"","Benth.",Accepted,,M,TRO,50149438,,"Pl. Hartw.","48","48","1840",
tro-29201364,A,Plantaginaceae,,Penstemon,,"havardii",,"","A. Gray",Accepted,,M,TRO,29201364,808130-1,"Proc. Amer. Acad. Arts","20: 306","306","1885",
tro-29200177,A,Plantaginaceae,,Penstemon,,"haydenii",,"","S. Watson",Accepted,,M,TRO,29200177,187528-2,"Bot. Gaz.","16(11): 311","311","1891",
tro-29204482,A,Plantaginaceae,,Penstemon,,"helleri",,"","Small",Accepted,,M,TRO,29204482,187529-2,"Bull. Torrey Bot. Club","25(9): 471–472","471","1898",
tro-50296238,A,Plantaginaceae,,Penstemon,,"henricksonii",,"","Straw",Accepted,,M,TRO,50296238,187530-2,"Madroño","23(5): 263–265, f. 1","263","1976",
tro-29203918,A,Plantaginaceae,,Penstemon,,"hesperius",,"","M. Peck",Accepted,,M,TRO,29203918,187531-2,"Torreya","32(6): 152–153","152","1932",
tro-50306615,A,Plantaginaceae,,Penstemon,,"heterander",,"","Torr. & A. Gray",Synonym,,M,TRO,50306615,808133-1,"Pacif. Railr. Rep.","2(1): 123, pl. 8","123","1855",tro-29203850
tro-29201365,A,Plantaginaceae,,Penstemon,,"heterodoxus",,"","A. Gray",Accepted,,M,TRO,29201365,808134-1,"Syn. Fl. N. Amer.","2(1): 269","269","1878",
tro-29207736,A,Plantaginaceae,,Penstemon,,"heterodoxus",var.,"cephalophorus","(Greene) N.H. Holmgren",Accepted,,L,TRO,29207736,970360-1,"Brittonia","44(4): 482","482","1992",
tro-29203920,A,Plantaginaceae,,Penstemon,,"heterodoxus",subsp.,"heterodoxus","",Synonym,,L,TRO,29203920,,"","","","",tro-29201365
tro-29207737,A,Plantaginaceae,,Penstemon,,"heterodoxus",var.,"heterodoxus","",Synonym,,L,TRO,29207737,,"","","","",tro-29201365
tro-29201367,A,Plantaginaceae,,Penstemon,,"heterophyllus",,"","Lindl.",Accepted,,M,TRO,29201367,808136-1,"Edwards's Bot. Reg.","22: pl. 1899","pl. 1899","1836",
tro-29203944,A,Plantaginaceae,,Penstemon,,"heterophyllus",subsp.,"heterophyllus","",Synonym,,L,TRO,29203944,,"","","","",tro-29201367
tro-29206957,A,Plantaginaceae,,Penstemon,,"heterophyllus",var.,"heterophyllus","",Synonym,,L,TRO,29206957,,"","","","",tro-29201367
tro-50133165,A,Plantaginaceae,,Penstemon,,"heterophyllus",subsp.,"spinulosus","(Wooton & Standl.) D.D. Keck",Accepted,,L,TRO,50133165,187541-2,"Univ. Calif. Publ. Bot.","16(11): 410","410","1932",
kew-2549977,A,Plantaginaceae,,Penstemon,,"hians",,"","I.M.Johnst.",Unresolved,,L,WCSP (in review),,187543-2,"Contr. Gray Herb.","68: 92","","1923",
tro-29206444,A,Plantaginaceae,,Penstemon,,"hidalgensis",,"","Straw",Accepted,,M,TRO,29206444,187544-2,"Brittonia","15(1): 51","51","1963",
tro-50265290,A,Plantaginaceae,,Penstemon,,"higginsii",,"","(Neese) N.H. Holmgren & N.D. Atwood",Accepted,,M,TRO,50265290,60437378-2,"Utah Fl. (ed. 3)","625","625","2003",
kew-2549949,A,Plantaginaceae,,Penstemon,,"hintonii",,"","Straw",Unresolved,,L,WCSP (in review),,187545-2,"Brittonia","15: 61","","1963",
tro-29201370,A,Plantaginaceae,,Penstemon,,"hirsutus",,"","(L.) Willd.",Accepted,,L,TRO,29201370,808137-1,"Sp. Pl.","3(1): 227","227","1800",
kew-2550061,A,Plantaginaceae,,Penstemon,,"holmgrenii",,"","S.L.Clark",Unresolved,,L,WCSP (in review),,290696-2,"Great Basin Naturalist","37: 258","","1977",
kew-2550837,A,Plantaginaceae,,Penstemon,,"humboldtii",,"","G.Don",Unresolved,,L,WCSP (in review),,808138-1,"Gen. Hist.","4: 640","","1837",
tro-29201371,A,Plantaginaceae,,Penstemon,,"humilis",,"","Nutt. ex A. Gray",Accepted,,M,TRO,29201371,808139-1,"Proc. Amer. Acad. Arts","6: 69","69","1862",
tro-29201372,A,Plantaginaceae,,Penstemon,,"humilis",subsp.,"brevifolius","(A. Gray) D.D. Keck",Accepted,,L,TRO,29201372,187547-2,"Amer. Midl. Naturalist","33(1): 184","184","1945",
tro-29204287,A,Plantaginaceae,,Penstemon,,"humilis",var.,"humilis","",Synonym,,L,TRO,29204287,,"","","","",tro-29201371
tro-29204289,A,Plantaginaceae,,Penstemon,,"humilis",var.,"obtusifolius","(Pennell) Reveal",Accepted,,L,TRO,29204289,187549-2,"Great Basin Naturalist","35(4): 369","369","1975",
kew-2550146,A,Plantaginaceae,,Penstemon,×,"hybridus",,"","Voss",Unresolved,,L,WCSP (in review),,,"Vilm. Blumengärtn. ed. 3","1: 767","","1894",
kew-2550147,A,Plantaginaceae,,Penstemon,,"idahoensis",,"","N.D.Atwood & S.L.Welsh",Unresolved,,L,WCSP (in review),,936259-1,"Great Basin Naturalist","48: 496","","1988",
kew-2550839,A,Plantaginaceae,,Penstemon,,"ilicifolius",,"","Nutt. ex Benth.",Unresolved,,L,WCSP (in review),,,"Prodr.","10: 593","","1846",
tro-29200846,A,Plantaginaceae,,Penstemon,,"imberbis",,"","(Kunth) Trautv.",Accepted,,L,TRO,29200846,808141-1,"Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg","5: 345","345","1839",
tro-29201374,A,Plantaginaceae,,Penstemon,,"immanifestus",,"","N.H. Holmgren",Accepted,,M,TRO,29201374,187552-2,"Brittonia","30(3): 334–339, f. 1, 2 [map]","334","1978",
tro-50110030,A,Plantaginaceae,,Penstemon,,"incanus",,"","(A. Gray) Tidestr.",Accepted,,M,TRO,50110030,187553-2,"Contr. U.S. Natl. Herb.","25: 495","495","1925",
tro-29201375,A,Plantaginaceae,,Penstemon,,"incertus",,"","Brandegee",Accepted,,M,TRO,29201375,187554-2,"Bot. Gaz.","27(6): 454–455","454","1899",
kew-2550834,A,Plantaginaceae,,Penstemon,,"inermis",,"","Poir.",Unresolved,,L,WCSP (in review),,808143-1,"Dict. Sci. Nat.","38: 385","","1825",
kew-2550159,A,Plantaginaceae,,Penstemon,,"inflatus",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187555-2,"Amer. Midl. Naturalist","74: 436","","1965",
kew-2553374,A,Plantaginaceae,,Penstemon,,"interruptus",,"","Greene",Unresolved,,L,WCSP (in review),,187556-2,"Leafl. Bot. Observ. Crit.","1: 163","","1906",
kew-2553405,A,Plantaginaceae,,Penstemon,,"intonsus",,"","A.Heller",Unresolved,,L,WCSP (in review),,187557-2,"Muhlenbergia","1: 44","","1904",
tro-50149440,A,Plantaginaceae,,Penstemon,,"isophyllus",,"","B.L. Rob.",Accepted,,M,TRO,50149440,187558-2,"Proc. Boston Soc. Nat. Hist.","31(6): 267–268","267","1904",
tro-50114908,A,Plantaginaceae,,Penstemon,,"jacintensis",,"","Abrams",Synonym,,M,TRO,50114908,310123-2,"Bull. Torrey Bot. Club","33: 445","445","1906",tro-29207717
kew-2550847,A,Plantaginaceae,,Penstemon,,"jaffrayanus",,"","Hook.",Unresolved,,L,WCSP (in review),,808148-1,"Bot. Mag.","84: t. 5045","","1858",
tro-50133169,A,Plantaginaceae,,Penstemon,,"jaffrayanus",var.,"parvulus","(A. Gray) Jeps.",Synonym,,L,TRO,50133169,187561-2,"Man. Fl. Pl. Calif.","917","917","1925",tro-50133170
tro-50296239,A,Plantaginaceae,,Penstemon,,"jaliscensis",,"","B.L. Rob.",Accepted,,M,TRO,50296239,,"","","","",
tro-29200178,A,Plantaginaceae,,Penstemon,,"jamesii",,"","Benth.",Accepted,,M,TRO,29200178,808149-1,"Prodr.","10: 325","325","1846",
tro-29204299,A,Plantaginaceae,,Penstemon,,"jamesii",subsp.,"breviculus","D.D. Keck",Synonym,,L,TRO,29204299,187563-2,"Bull. Torrey Bot. Club","65(4): 241–242","241","1938",tro-29201270
tro-29201377,A,Plantaginaceae,,Penstemon,,"janishiae",,"","N.H. Holmgren",Accepted,,M,TRO,29201377,187566-2,"Brittonia","31(2): 223–226, f. 3, 4 [map]","223","1979",
kew-2550840,A,Plantaginaceae,,Penstemon,,"jeffreyanus",,"","A.Murray bis",Unresolved,,L,WCSP (in review),,,"Bot. Exped. Oregon","7: 2","","1853",
tro-29201378,A,Plantaginaceae,,Penstemon,,"jonesii",,"","Pennell",Accepted,,M,TRO,29201378,187567-2,"Contr. U.S. Natl. Herb.","20(9): 338–339","338","1920",
tro-29201379,A,Plantaginaceae,,Penstemon,,"keckii",,"","Clokey",Accepted,,M,TRO,29201379,282306-2,"Madroño","4(4): 128–130","128","1937",
tro-50110669,A,Plantaginaceae,,Penstemon,,"kennedyi",,"","A. Nelson",Synonym,,M,TRO,50110669,187569-2,"Proc. Biol. Soc. Wash.","17(11): 97","97","1904",tro-29201488
tro-29201380,A,Plantaginaceae,,Penstemon,,"kingii",,"","S. Watson",Accepted,,M,TRO,29201380,808153-1,"Botany (Fortieth Parallel)","222–223","222","1871",
tro-50119033,A,Plantaginaceae,,Penstemon,,"kleei",,"","Greene",Synonym,,M,TRO,50119033,808154-1,"Bull. Torrey Bot. Club","10(12): 127","127","1883",tro-29201468
tro-50004473,A,Plantaginaceae,,Penstemon,,"kunthii",,"","G. Don",Accepted,,M,TRO,50004473,808155-1,"Hort. Brit.","243","243","1830",
tro-29201381,A,Plantaginaceae,,Penstemon,,"labrosus",,"","(A. Gray) Mast. ex Hook. f.",Accepted,,M,TRO,29201381,60447182-2,"Bot. Mag.","110: pl. 6738","pl. 6738","1884",
kew-2553408,A,Plantaginaceae,,Penstemon,,"lacerellus",,"","Greene",Unresolved,,L,WCSP (in review),,187572-2,"Leafl. Bot. Observ. Crit.","1: 161","","1906",
tro-29201382,A,Plantaginaceae,,Penstemon,,"laetus",,"","A. Gray",Accepted,,M,TRO,29201382,320160-2,"Proc. Boston Soc. Nat. Hist.","7: 147–148","147","1859",
tro-29206162,A,Plantaginaceae,,Penstemon,,"laetus",subsp.,"filiformis","D.D. Keck",Synonym,,L,TRO,29206162,187573-2,"Univ. Calif. Publ. Bot.","16(11): 394","394","1932",tro-29201336
tro-50338184,A,Plantaginaceae,,Penstemon,,"laetus",var.,"filiformis","(D.D. Keck) McMinn",Synonym,,L,TRO,50338184,187574-2,"Man. Calif. Shrubs","517–518","517","1939",tro-29201336
tro-29203942,A,Plantaginaceae,,Penstemon,,"laetus",subsp.,"laetus","",Synonym,,L,TRO,29203942,,"","","","",tro-29201382
tro-29205044,A,Plantaginaceae,,Penstemon,,"laetus",var.,"laetus","",Synonym,,L,TRO,29205044,,"","","","",tro-29201382
tro-29201386,A,Plantaginaceae,,Penstemon,,"laevigatus",,"","Soland.",Accepted,,M,TRO,29201386,,"","","","",
tro-29207748,A,Plantaginaceae,,Penstemon,,"laevigatus",,"","Aiton",Unresolved,,L,TRO,29207748,187582-2,"Hort. Kew.","2: 361","361","1789",
tro-100362067,A,Plantaginaceae,,Penstemon,,"laevigatus",var.,"calycosus","(Small) Farw.",Synonym,,L,TRO,100362067,187585-2,"Pap. Mich. Acad. Sci.","26: 18","18","1940",tro-50108790
tro-50108790,A,Plantaginaceae,,Penstemon,,"laevigatus",subsp.,"calycosus","(Small) R.W. Benn.",Accepted,,L,TRO,50108790,187584-2,"Phytologia","9(2): 57","57","1963",
tro-50316055,A,Plantaginaceae,,Penstemon,,"laevigatus",var.,"canescens","Britton",Synonym,,L,TRO,50316055,187586-2,"Mem. Torrey Bot. Club","2(2): 30–31","30","1890",tro-29201281
tro-29201387,A,Plantaginaceae,,Penstemon,,"laevis",,"","Pennell",Accepted,,M,TRO,29201387,187589-2,"Contr. U.S. Natl. Herb.","20(9): 347","347","1920",
tro-29201388,A,Plantaginaceae,,Penstemon,,"lanceolatus",,"","Benth.",Accepted,,M,TRO,29201388,,"Pl. Hartw.","22","22","1839",
tro-29201389,A,Plantaginaceae,,Penstemon,,"laricifolius",,"","Hook. & Arn.",Accepted,,M,TRO,29201389,,"Bot. Beechey Voy.","376","376","1841",
tro-29201390,A,Plantaginaceae,,Penstemon,,"laricifolius",subsp.,"exilifolius","(A. Nelson) D.D. Keck",Accepted,,L,TRO,29201390,187590-2,"Bull. Torrey Bot. Club","64(6): 381","381","1937",
tro-50110081,A,Plantaginaceae,,Penstemon,,"laricifolius",var.,"exilifolius","(A. Nelson) Payson",Synonym,,L,TRO,50110081,187591-2,"Univ. Wyoming Publ. Sci., Bot.","1(4): 97","97","1924",tro-29201390
kew-2553518,A,Plantaginaceae,,Penstemon,,"lassenianus",,"","Greene",Unresolved,,L,WCSP (in review),,187593-2,"Leafl. Bot. Observ. Crit.","1: 164","","1906",
kew-2550896,A,Plantaginaceae,,Penstemon,,"latifolius",,"","Hoffmanns.",Unresolved,,L,WCSP (in review),,808164-1,"Verz. Pfl.-Kult.","98","","1824",
kew-2553507,A,Plantaginaceae,,Penstemon,,"latifolius",,"","Krautter",Unresolved,,L,WCSP (in review),,187594-2,"Contr. Bot. Lab. Morris Arbor. Univ. Pennsylvania","3: 194","","1908",
kew-2553516,A,Plantaginaceae,,Penstemon,,"latiusculus",,"","Greene",Unresolved,,L,WCSP (in review),,187595-2,"Leafl. Bot. Observ. Crit.","1: 161","","1906",
tro-29200179,A,Plantaginaceae,,Penstemon,,"laxiflorus",,"","Pennell",Accepted,,M,TRO,29200179,187596-2,"Acad. Nat. Sci. Philadelphia Monogr.","1: 229–232, map 52","229","1935",
tro-29201391,A,Plantaginaceae,,Penstemon,,"laxus",,"","A. Nelson",Accepted,,M,TRO,29201391,187597-2,"Bot. Gaz.","54(2): 147","147","1912",
tro-29201392,A,Plantaginaceae,,Penstemon,,"leiophyllus",,"","Pennell",Accepted,,M,TRO,29201392,187598-2,"Contr. U.S. Natl. Herb.","20(9): 346–347","346","1920",
tro-29204320,A,Plantaginaceae,,Penstemon,,"leiophyllus",var.,"francisci-pennellii","(Crosswh.) N.H. Holmgren",Accepted,,L,TRO,29204320,923640-1,"Intermount. Fl.","4: 432","432","1984",
tro-29204318,A,Plantaginaceae,,Penstemon,,"leiophyllus",var.,"leiophyllus","",Synonym,,L,TRO,29204318,,"","","","1984",tro-29201392
tro-29201393,A,Plantaginaceae,,Penstemon,,"lemhiensis",,"","(D.D. Keck) D.D. Keck & Cronquist",Accepted,,M,TRO,29201393,187599-2,"Brittonia","8(4): 248","248","1957",
tro-29203958,A,Plantaginaceae,,Penstemon,,"lemmonii",,"","A. Gray",Accepted,,M,TRO,29203958,808170-1,"Bot. California","1: 557","557","1876",
tro-29201394,A,Plantaginaceae,,Penstemon,,"lentus",,"","Pennell",Accepted,,M,TRO,29201394,187601-2,"Contr. U.S. Natl. Herb.","20(9): 359–360","359","1920",
tro-29204303,A,Plantaginaceae,,Penstemon,,"lentus",var.,"lentus","",Synonym,,L,TRO,29204303,,"","","","",tro-29201394
tro-29201396,A,Plantaginaceae,,Penstemon,,"leonardii",,"","Rydb.",Accepted,,M,TRO,29201396,187604-2,"Bull. Torrey Bot. Club","40(9): 483","483","1913",
tro-50296240,A,Plantaginaceae,,Penstemon,,"leonensis",,"","Straw",Accepted,,M,TRO,50296240,,"","","","",
kew-2550872,A,Plantaginaceae,,Penstemon,,"leptanthus",,"","Pennell",Unresolved,,L,WCSP (in review),,187449-2,"Contr. U. S. Natl. Herb.","20: 339","","1920",
kew-2550882,A,Plantaginaceae,,Penstemon,,"leptophyllus",,"","Rydb.",Unresolved,,L,WCSP (in review),,187450-2,"Fl. Rocky Mts.","773","","1917",
kew-2553510,A,Plantaginaceae,,Penstemon,,"leucanthus",,"","Greene",Unresolved,,L,WCSP (in review),,187451-2,"Pittonia","1: 72","","1887",
kew-2550867,A,Plantaginaceae,,Penstemon,,"lewisii",,"","Benth.",Unresolved,,L,WCSP (in review),,808176-1,"Prodr.","10: 321","","1846",
tro-29201397,A,Plantaginaceae,,Penstemon,,"linarioides",,"","A. Gray",Accepted,,M,TRO,29201397,,"Rep. U.S. Mex. Bound.","2(1): 112","112","1859",
tro-50110078,A,Plantaginaceae,,Penstemon,,"linarioides",var.,"californicus","Munz & I.M. Johnst.",Synonym,,L,TRO,50110078,187453-2,"Bull. S. Calif. Acad. Sci.","23(1): 31–32","31","1924",tro-29201279
tro-29201399,A,Plantaginaceae,,Penstemon,,"linarioides",subsp.,"coloradoensis","(A. Nelson) D.D. Keck",Accepted,,L,TRO,29201399,187454-2,"Bull. Torrey Bot. Club","64(6): 375","375","1937",
tro-29204274,A,Plantaginaceae,,Penstemon,,"linarioides",var.,"seorsus","A. Nelson",Synonym,,L,TRO,29204274,187458-2,"Bot. Gaz.","54(2): 147–148","147","1912",tro-29201482
tro-29201402,A,Plantaginaceae,,Penstemon,,"linarioides",subsp.,"sileri","(A. Gray) D.D. Keck",Accepted,,L,TRO,29201402,187459-2,"Bull. Torrey Bot. Club","64(6): 374","374","1937",
tro-50110066,A,Plantaginaceae,,Penstemon,,"linarioides",subsp.,"taosensis","D.D. Keck",Synonym,,L,TRO,50110066,310149-2,"Bull. Torrey Bot. Club","64(6): 373–374","373","1937",tro-29201301
kew-2553542,A,Plantaginaceae,,Penstemon,,"linearifolius",,"","J.M.Coult. & Fisher",Unresolved,,L,WCSP (in review),,187464-2,"Bot. Gaz.","18: 302","","1893",
kew-2553541,A,Plantaginaceae,,Penstemon,,"lineolatus",,"","Greene",Unresolved,,L,WCSP (in review),,187465-2,"Leafl. Bot. Observ. Crit.","1: 164","","1906",
kew-2550879,A,Plantaginaceae,,Penstemon,,"lobbii",,"","Lem.",Unresolved,,L,WCSP (in review),,808180-1,"Ill. Hort.","9: t. 315","","1862",
tro-29204322,A,Plantaginaceae,,Penstemon,,"longiflorus",,"","(Pennell) S.L. Clark",Accepted,,M,TRO,29204322,187466-2,"Great Basin Naturalist","35(4): 434","434","1975",
kew-2550880,A,Plantaginaceae,,Penstemon,,"longifolius",,"","Scheele",Unresolved,,L,WCSP (in review),,808181-1,"Linnaea","21: 764","","1849",
tro-50296241,A,Plantaginaceae,,Penstemon,,"luteus",,"","G.L. Nesom",Accepted,,M,TRO,50296241,301741-2,"Phytologia","71(5): 333–335","333","1991",
tro-29201403,A,Plantaginaceae,,Penstemon,,"lyallii",,"","A. Gray",Accepted,,M,TRO,29201403,187467-2,"Syn. Fl. N. Amer. (ed. 2)","2(1): 440","440","1886",
kew-2553539,A,Plantaginaceae,,Penstemon,,"macbridei",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187469-2,"Bot. Gaz.","52: 272","","1911",
kew-2550916,A,Plantaginaceae,,Penstemon,×,"macewanii",,"","Paxton",Unresolved,,L,WCSP (in review),,808183-1,"Paxton's Mag. Bot.","13: 174","","1848",
kew-2550726,A,Plantaginaceae,,Penstemon,,"mackayanus",,"","Knowles & Westc.",Unresolved,,L,WCSP (in review),,808184-1,"Fl. Cab.","2: 117","","1838",
tro-29204314,A,Plantaginaceae,,Penstemon,,"macranthus",,"","Eastw.",Synonym,,M,TRO,29204314,187470-2,"Bull. Torrey Bot. Club","32(4): 207","207","1905",tro-29201434
tro-50079705,A,Plantaginaceae,,Penstemon,,"magnus",,"","Pennell",Synonym,,M,TRO,50079705,187471-2,"Contr. U.S. Natl. Herb.","20(9): 346","346","1920",tro-29201243
kew-2550131,A,Plantaginaceae,,Penstemon,,"maguirei",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187472-2,"Leafl. W. Bot.","10: 171","","1965",
tro-29201404,A,Plantaginaceae,,Penstemon,,"marcusii",,"","(D.D. Keck) N.H. Holmgren",Accepted,,M,TRO,29201404,187473-2,"Brittonia","31(1): 105","105","1979",
tro-29201405,A,Plantaginaceae,,Penstemon,,"mensarum",,"","Pennell",Accepted,,M,TRO,29201405,187474-2,"Contr. U.S. Natl. Herb.","20(9): 380–381","380","1920",
kew-2550534,A,Plantaginaceae,,Penstemon,,"menziesii",,"","Hook.",Unresolved,,L,WCSP (in review),,808188-1,"Fl. Bor.-Amer.","2: 98","","1838",
tro-29203949,A,Plantaginaceae,,Penstemon,,"menziesii",subsp.,"davidsonii","(Greene) Piper",Unresolved,,L,TRO,29203949,187476-2,"Contr. U.S. Natl. Herb.","11: 499","499","1906",
tro-50287560,A,Plantaginaceae,,Penstemon,,"menziesii",var.,"davidsonii","(Greene) Piper",Synonym,,L,TRO,50287560,,"Mazama","2(2): 99","99","1901",tro-29203949
kew-2553477,A,Plantaginaceae,,Penstemon,,"metcalfei",,"","Wooton & Standl.",Unresolved,,L,WCSP (in review),,187488-2,"Torreya","9: 145","","1909",
kew-2550536,A,Plantaginaceae,,Penstemon,,"mexicanus",,"","Benth.",Unresolved,,L,WCSP (in review),,,"Prodr.","10: 331","","1846",kew-2520679
kew-2550538,A,Plantaginaceae,,Penstemon,,"micranthus",,"","Nutt.",Unresolved,,L,WCSP (in review),,808192-1,"J. Acad. Nat. Sci. Philadelphia","7: 45","","1834",
kew-2550546,A,Plantaginaceae,,Penstemon,,"micranthus",,"","Torr.",Unresolved,,L,WCSP (in review),,808191-1,"Rep. Exped. Rocky Mts.","89","","1845",
tro-50079708,A,Plantaginaceae,,Penstemon,,"microphyllus",,"","A. Gray",Synonym,,M,TRO,50079708,311877-2,"Pacif. Railr. Rep.","4(5): 119","119","1857",tro-29207710
tro-29204281,A,Plantaginaceae,,Penstemon,,"militaris",,"","Greene",Synonym,,M,TRO,29204281,187493-2,"Leafl. Bot. Observ. Crit.","1(12): 166","166","1906",tro-29203845
tro-50296242,A,Plantaginaceae,,Penstemon,,"miniatus",,"","Lindl.",Accepted,,M,TRO,50296242,,"","","","",
tro-50337541,A,Plantaginaceae,,Penstemon,,"miniatus",subsp.,"miniatus","",Synonym,,L,TRO,50337541,,"","","","",tro-50296242
tro-100364867,A,Plantaginaceae,,Penstemon,,"miniatus",var.,"townsendianus","(Straw) C.C.Freeman",Accepted,,L,TRO,100364867,,"","","","",
kew-2553475,A,Plantaginaceae,,Penstemon,,"minidokanus",,"","A.Nelson & J.F.Macbr.",Unresolved,,L,WCSP (in review),,187494-2,"Bot. Gaz.","62: 147","","1916",
tro-50287558,A,Plantaginaceae,,Penstemon,,"minor",,"","(A. Gray) D.D. Keck",Accepted,,M,TRO,50287558,187495-2,"Publ. Carnegie Inst. Wash.","520: 295","295","1940",
tro-50296245,A,Plantaginaceae,,Penstemon,,"minutifolius",,"","Straw",Accepted,,M,TRO,50296245,,"","","","",
tro-29201406,A,Plantaginaceae,,Penstemon,×,"mirus",,"","A. Nelson",Accepted,,M,TRO,29201406,187496-2,"Amer. J. Bot.","25(2): 116","116","1938",
tro-29201407,A,Plantaginaceae,,Penstemon,,"miser",,"","A. Gray",Accepted,,M,TRO,29201407,187497-2,"Syn. Fl. N. Amer. (ed. 2)","2(1): 441","441","1886",
tro-29204285,A,Plantaginaceae,,Penstemon,,"modestus",,"","Greene",Synonym,,M,TRO,29204285,187498-2,"Leafl. Bot. Observ. Crit.","1(12): 165","165","1906",tro-29204284
tro-29201408,A,Plantaginaceae,,Penstemon,,"moffatii",,"","Eastw.",Accepted,,M,TRO,29201408,187499-2,"Zoë","4(1): 9–10","9","1893",
tro-29204300,A,Plantaginaceae,,Penstemon,,"moffatii",subsp.,"marcusii","D.D. Keck",Synonym,,L,TRO,29204300,187500-2,"Bull. Torrey Bot. Club","65(4): 243","243","1938",tro-29201404
tro-29201409,A,Plantaginaceae,,Penstemon,,"moffatii",subsp.,"paysonii","(Pennell) D.D. Keck",Accepted,,L,TRO,29201409,187501-2,"Bull. Torrey Bot. Club","65(4): 243","243","1938",
tro-50296246,A,Plantaginaceae,,Penstemon,,"mohinoranus",,"","Straw",Accepted,,M,TRO,50296246,,"","","","",
tro-29201410,A,Plantaginaceae,,Penstemon,,"monoensis",,"","A. Heller",Accepted,,M,TRO,29201410,187504-2,"Muhlenbergia","2(2A): 246–247","246","1906",
tro-29201411,A,Plantaginaceae,,Penstemon,,"montanus",,"","Greene",Accepted,,M,TRO,29201411,187505-2,"Pittonia","2(11C): 240","240","1892",
tro-29203862,A,Plantaginaceae,,Penstemon,,"montanus",var.,"montanus","",Synonym,,L,TRO,29203862,,"","","","1959",tro-29201411
tro-29201413,A,Plantaginaceae,,Penstemon,,"moriahensis",,"","N.H. Holmgren",Accepted,,M,TRO,29201413,187508-2,"Brittonia","30(4): 422–425, f. 2 [map], 4","422","1978",
kew-2550139,A,Plantaginaceae,,Penstemon,,"moronensis",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187509-2,"Sida","2: 266","","1966",
tro-29201414,A,Plantaginaceae,,Penstemon,,"mucronatus",,"","N.H. Holmgren",Accepted,,M,TRO,29201414,282311-2,"Brittonia","31(2): 234–236, f. 10, 12 [map]","234","1979",
tro-29201415,A,Plantaginaceae,,Penstemon,,"multicaulis",,"","Pennell",Accepted,,M,TRO,29201415,187511-2,"Proc. Acad. Nat. Sci. Philadelphia","73(3B): 494–495","494","1921",
tro-50338178,A,Plantaginaceae,,Penstemon,,"multiflorus",,"","(Benth.) Chapm. ex Small",Accepted,,M,TRO,50338178,187512-2,"Fl. S.E. U.S.","1061","1061","1903",
kew-2550133,A,Plantaginaceae,,Penstemon,,"munzii",,"","I.M.Johnst.",Unresolved,,L,WCSP (in review),,187513-2,"Bull. Torrey Bot. Club","49: 40","","1922",
tro-29201417,A,Plantaginaceae,,Penstemon,,"murrayanus",,"","Hook.",Accepted,,M,TRO,29201417,808202-1,"Bot. Mag.","63: pl. 3472","pl. 3472","1836",
tro-29201418,A,Plantaginaceae,,Penstemon,,"nanus",,"","D.D. Keck",Accepted,,M,TRO,29201418,187514-2,"Amer. Midl. Naturalist","23(3): 607–608","607","1940",
tro-29201419,A,Plantaginaceae,,Penstemon,,"navajoa",,"","N.H. Holmgren",Accepted,,M,TRO,29201419,187515-2,"Brittonia","30(4): 419–422, f. 2 [map], 3","419","1978",
kew-2550178,A,Plantaginaceae,,Penstemon,,"nelsoniae",,"","D.D.Keck & Thomps.",Unresolved,,L,WCSP (in review),,187516-2,"Rhodora","37: 419","","1935",
kew-2550516,A,Plantaginaceae,,Penstemon,,"nemorosus",,"","(Douglas ex Lindl.) Trautv.",Synonym,,M,WCSP (in review),,808203-1,"Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg","5: 345","","1839",kew-2382968
tro-29201420,A,Plantaginaceae,,Penstemon,,"neomexicanus",,"","Wooton & Standl.",Accepted,,M,TRO,29201420,187517-2,"Contr. U.S. Natl. Herb.","16(4): 172","172","1913",
tro-29201421,A,Plantaginaceae,,Penstemon,,"neotericus",,"","D.D. Keck",Accepted,,M,TRO,29201421,187606-2,"Univ. Calif. Publ. Bot.","16(11): 398–401, f. 13","398","1932",
tro-29201422,A,Plantaginaceae,,Penstemon,,"newberryi",,"","A. Gray",Accepted,,M,TRO,29201422,808205-1,"Pacif. Railr. Rep.","6(3): 82, pl. 14","82","1857",
tro-29206958,A,Plantaginaceae,,Penstemon,,"newberryi",var.,"berryi","(Eastw.) N.H. Holmgren",Accepted,,L,TRO,29206958,970362-1,"Brittonia","44(4): 482","482","1992",
tro-29203947,A,Plantaginaceae,,Penstemon,,"newberryi",subsp.,"newberryi","",Synonym,,L,TRO,29203947,,"","","","",tro-29201422
tro-29206959,A,Plantaginaceae,,Penstemon,,"newberryi",var.,"newberryi","",Synonym,,L,TRO,29206959,,"","","","",tro-29201422
tro-50113595,A,Plantaginaceae,,Penstemon,,"newberryi",var.,"rupicola","Piper",Synonym,,L,TRO,50113595,187610-2,"Bull. Torrey Bot. Club","27(7): 397–398","397","1900",tro-29201474
tro-29201424,A,Plantaginaceae,,Penstemon,,"newberryi",subsp.,"sonomensis","(Greene) D.D. Keck",Accepted,,L,TRO,29201424,187611-2,"Ill. Fl. Pacific States","3: 768","768","1951",
kew-2550519,A,Plantaginaceae,,Penstemon,,"nitidus",,"","Douglas ex Benth.",Accepted,,M,WCSP (in review),,808206-1,"Prodr.","10: 323","","1846",
tro-29200181,A,Plantaginaceae,,Penstemon,,"nitidus",var.,"nitidus","",Synonym,,L,TRO,29200181,,"","","","",kew-2550519
tro-29201426,A,Plantaginaceae,,Penstemon,,"nudiflorus",,"","A. Gray",Accepted,,M,TRO,29201426,,"Proc. Amer. Acad. Arts","20: 306–307","306","1885",
kew-2550521,A,Plantaginaceae,,Penstemon,,"nuttallii",,"","L.C.Beck",Unresolved,,L,WCSP (in review),,808208-1,"Amer. J. Sci. Arts","14: 120","","1828",
kew-2550181,A,Plantaginaceae,,Penstemon,,"nyeensis",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187617-2,"Leafl. W. Bot.","10: 171","","1965",
tro-29204290,A,Plantaginaceae,,Penstemon,,"obtusifolius",,"","Pennell",Synonym,,M,TRO,29204290,187618-2,"Contr. U.S. Natl. Herb.","20(9): 370–371","370","1920",tro-29204289
tro-50296247,A,Plantaginaceae,,Penstemon,,"occiduus",,"","Straw",Accepted,,M,TRO,50296247,,"","","","",
kew-2550192,A,Plantaginaceae,,Penstemon,,"oklahomensis",,"","Pennell",Accepted,,M,WCSP (in review),,187620-2,"Monogr. Acad. Nat. Sci. Philadelphia","1: 237","","1935",
tro-29201427,A,Plantaginaceae,,Penstemon,,"oliganthus",,"","Wooton & Standl.",Accepted,,M,TRO,29201427,808210-1,"Contr. U.S. Natl. Herb.","16(4): 172–173","172","1913",
tro-29204301,A,Plantaginaceae,,Penstemon,,"ophianthus",,"","Pennell",Accepted,,M,TRO,29204301,187622-2,"Contr. U.S. Natl. Herb.","20(9): 343–344","343","1920",
tro-50311013,A,Plantaginaceae,,Penstemon,,"oreganus",,"","(A. Gray) Howell",Synonym,,M,TRO,50311013,,"Fl. N.W. Amer.","5: 515","515","1901",tro-29201347
kew-2550526,A,Plantaginaceae,,Penstemon,,"oregonensis",,"","A.Murray bis",Unresolved,,L,WCSP (in review),,,"Bot. Exped. Oregon","7: 2","","1853",
tro-29203917,A,Plantaginaceae,,Penstemon,,"oreocharis",,"","Greene",Accepted,,M,TRO,29203917,282312-2,"Leafl. Bot. Observ. Crit.","1(12): 163–164","163","1906",
kew-2553492,A,Plantaginaceae,,Penstemon,,"oreophilus",,"","Rydb.",Unresolved,,L,WCSP (in review),,187625-2,"Bull. Torrey Bot. Club","31: 642","","1905",
tro-29201428,A,Plantaginaceae,,Penstemon,,"osterhoutii",,"","Pennell",Accepted,,M,TRO,29201428,187626-2,"Contr. U.S. Natl. Herb.","20(9): 358","358","1920",
tro-29201429,A,Plantaginaceae,,Penstemon,,"ovatus",,"","Douglas",Accepted,,M,TRO,29201429,808217-1,"Bot. Mag.","56: pl. 2903","pl. 2903","1829",
tro-29204140,A,Plantaginaceae,,Penstemon,,"ovatus",var.,"ovatus","",Synonym,,L,TRO,29204140,,"","","","",tro-29201429
kew-2553489,A,Plantaginaceae,,Penstemon,,"owenii",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187628-2,"Bot. Gaz.","34: 32","","1902",
tro-29201430,A,Plantaginaceae,,Penstemon,,"pachyphyllus",,"","A. Gray ex Rydb.",Accepted,,M,TRO,29201430,808219-1,"Fl. Rocky Mts.","770, 1066","770","1917",
tro-29204306,A,Plantaginaceae,,Penstemon,,"pachyphyllus",var.,"congestus","(M.E. Jones) N.H. Holmgren",Accepted,,L,TRO,29204306,891439-1,"Brittonia","31(1): 105","105","1979",
tro-29204305,A,Plantaginaceae,,Penstemon,,"pachyphyllus",var.,"pachyphyllus","",Synonym,,L,TRO,29204305,,"","","","",tro-29201430
tro-29201432,A,Plantaginaceae,,Penstemon,,"pahutensis",,"","N.H. Holmgren",Accepted,,M,TRO,29201432,187631-2,"Aliso","7(3): 351–355, f. 1, 2 [map]","351","1971",
kew-2550187,A,Plantaginaceae,,Penstemon,,"pallescens",,"","Osterh.",Unresolved,,L,WCSP (in review),,187632-2,"Bull. Torrey Bot. Club","57: 559","","1930 publ. 1931",
tro-29200183,A,Plantaginaceae,,Penstemon,,"pallidus",,"","Small",Accepted,,M,TRO,29200183,187633-2,"Fl. S.E. U.S.","1060, 1337","1060","1903",
tro-29201433,A,Plantaginaceae,,Penstemon,,"palmeri",,"","A. Gray",Accepted,,M,TRO,29201433,808221-1,"Proc. Amer. Acad. Arts","7: 379","379","1868",
tro-50116273,A,Plantaginaceae,,Penstemon,,"palmeri",var.,"bicolor","Brandegee",Synonym,,L,TRO,50116273,187635-2,"Univ. Calif. Publ. Bot.","6(12): 360","360","1916",tro-29201267
tro-29201434,A,Plantaginaceae,,Penstemon,,"palmeri",var.,"macranthus","(Eastw.) N.H. Holmgren",Accepted,,L,TRO,29201434,187639-2,"Brittonia","31(1): 105","105","1979",
tro-29204312,A,Plantaginaceae,,Penstemon,,"palmeri",var.,"palmeri","",Synonym,,L,TRO,29204312,,"","","","",tro-29201433
tro-50119025,A,Plantaginaceae,,Penstemon,,"palustris",,"","Pennell",Synonym,,M,TRO,50119025,187641-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 8–9","8","1941",tro-29203844
tro-50114985,A,Plantaginaceae,,Penstemon,,"pandus",,"","(A. Nelson & J.F. Macbr.) A. Nelson & J.F. Macbr.",Accepted,,M,TRO,50114985,187642-2,"Bot. Gaz.","65(1): 69","69","1918",
kew-2553255,A,Plantaginaceae,,Penstemon,,"paniculatus",,"","Howell",Unresolved,,L,WCSP (in review),,187643-2,"Fl. N.W. Amer.","513","","1901",
tro-29201436,A,Plantaginaceae,,Penstemon,,"papillatus",,"","J.T. Howell",Accepted,,M,TRO,29201436,187644-2,"Leafl. W. Bot.","2(7): 119–120","119","1938",
tro-29201437,A,Plantaginaceae,,Penstemon,,"parishii",,"","A. Gray",Accepted,,M,TRO,29201437,808224-1,"Proc. Amer. Acad. Arts","17: 228","228","1881-1882",
tro-29203939,A,Plantaginaceae,,Penstemon,×,"parishii",,"","A. Gray",Unresolved,,L,TRO,29203939,,"Proc. Amer. Acad. Arts","17: 225","225","1882",
tro-29201438,A,Plantaginaceae,,Penstemon,,"parryi",,"","(A. Gray) A. Gray",Accepted,,M,TRO,29201438,808225-1,"Syn. Fl. N. Amer.","2(1): 264","264","1878",
kew-2550563,A,Plantaginaceae,,Penstemon,,"parviflorus",,"","Pennell",Accepted,,M,WCSP (in review),,187645-2,"Contr. U. S. Natl. Herb.","20: 340","","1920",
tro-29201440,A,Plantaginaceae,,Penstemon,,"parvulus",,"","(A. Gray) Krautter",Accepted,,M,TRO,29201440,187646-2,"Contr. Bot. Lab. Morris Arbor. Univ. Pennsylvania","3(2): 193","193","1908",
tro-29201441,A,Plantaginaceae,,Penstemon,,"parvus",,"","Pennell",Accepted,,M,TRO,29201441,187647-2,"Contr. U.S. Natl. Herb.","20(9): 345","345","1920",
tro-29201442,A,Plantaginaceae,,Penstemon,,"patens",,"","(M.E. Jones) N.H. Holmgren",Accepted,,M,TRO,29201442,807930-1,"Brittonia","31(1): 106","106","1979",
tro-29201443,A,Plantaginaceae,,Penstemon,,"patricus",,"","N.H. Holmgren",Accepted,,M,TRO,29201443,282314-2,"Brittonia","31(2): 238–239, f. 11, 12 [map]","238","1979",
tro-29204543,A,Plantaginaceae,,Penstemon,,"pauciflorus",,"","Buckley",Accepted,,M,TRO,29204543,808231-1,"Proc. Acad. Nat. Sci. Philadelphia","13: 461","461","1861",
tro-29201444,A,Plantaginaceae,,Penstemon,,"payettensis",,"","A. Nelson & J.F. Macbr.",Accepted,,M,TRO,29201444,,"Bot. Gaz.","62(2): 147","147","1916",
tro-50107908,A,Plantaginaceae,,Penstemon,,"paysonii",,"","Pennell",Synonym,,M,TRO,50107908,187652-2,"Contr. U.S. Natl. Herb.","20(9): 342","342","1920",tro-29201409
tro-29201445,A,Plantaginaceae,,Penstemon,,"paysoniorum",,"","D.D. Keck",Accepted,,M,TRO,29201445,187653-2,"Leafl. W. Bot.","5(4): 57–58","57","1947",
tro-29201446,A,Plantaginaceae,,Penstemon,,"peckii",,"","Pennell",Accepted,,M,TRO,29201446,187654-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 12–13","12","1941",
kew-2550570,A,Plantaginaceae,,Penstemon,,"peduncularis",,"","Nutt. ex Benth.",Unresolved,,L,WCSP (in review),,,"Prodr.","10: 593","","1846",
tro-50079200,A,Plantaginaceae,,Penstemon,×,"peirsonii",,"","Munz & I.M. Johnst.",Unresolved,,L,TRO,50079200,187656-2,"Bull. Torrey Bot. Club","52(5): 225–226","225","1925",
tro-29202358,A,Plantaginaceae,,Penstemon,,"penlandii",,"","W.A. Weber",Accepted,,M,TRO,29202358,930503-1,"Phytologia","60(6): 459–461","459","1986",
tro-29201447,A,Plantaginaceae,,Penstemon,,"pennellianus",,"","D.D. Keck",Accepted,,M,TRO,29201447,187657-2,"Amer. Midl. Naturalist","23(3): 614–615","614","1940",
kew-2553249,A,Plantaginaceae,,Penstemon,,"pentstemon",,"","(L.) MacMill.",Unresolved,,L,WCSP (in review),,187658-2,"Bull. Torrey Bot. Club","19: 15","","1892",
tro-29204516,A,Plantaginaceae,,Penstemon,,"perfoliatus",,"","Brongn.",Accepted,,M,TRO,29204516,,"Hort. Universel","5: 265–266","265","1844",
tro-29201448,A,Plantaginaceae,,Penstemon,,"perpulcher",,"","A. Nelson",Accepted,,M,TRO,29201448,187659-2,"Bot. Gaz.","52(4): 273–274","273","1911",
tro-50108006,A,Plantaginaceae,,Penstemon,,"perpulcher",var.,"pandus","A. Nelson & J.F. Macbr.",Synonym,,L,TRO,50108006,187660-2,"Bot. Gaz.","55(5): 382","382","1913",tro-50114985
tro-29201449,A,Plantaginaceae,,Penstemon,,"personatus",,"","D.D. Keck",Accepted,,M,TRO,29201449,187661-2,"Madroño","3(6): 248–250","248","1936",
tro-29201450,A,Plantaginaceae,,Penstemon,,"petiolatus",,"","Brandegee",Accepted,,M,TRO,29201450,187662-2,"Bot. Gaz.","27(6): 455","455","1899",
kew-2553257,A,Plantaginaceae,,Penstemon,,"phlogifolius",,"","Greene",Unresolved,,L,WCSP (in review),,187663-2,"Leafl. Bot. Observ. Crit.","1: 164","","1906",
kew-2550160,A,Plantaginaceae,,Penstemon,,"pickettii",,"","H.St.John",Unresolved,,L,WCSP (in review),,187664-2,"Proc. Biol. Soc. Wash.","44: 33","","1931",
tro-50114913,A,Plantaginaceae,,Penstemon,,"pilifer",,"","A. Heller",Synonym,,M,TRO,50114913,,"Muhlenbergia","2(1C): 136–137","136","1906",tro-50114914
kew-2553245,A,Plantaginaceae,,Penstemon,,"piliferus",,"","A.Heller",Unresolved,,L,WCSP (in review),,187665-2,"Muhlenbergia","2: 136","","1906",
kew-2550169,A,Plantaginaceae,,Penstemon,,"pilosigulatus",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187666-2,"Publ. Sci. Univ. Wyoming, Bot.","1: 130","","1926",
kew-2553244,A,Plantaginaceae,,Penstemon,,"pinetorum",,"","Piper",Unresolved,,L,WCSP (in review),,187667-2,"Contr. U. S. Natl. Herb.","11: 500","","1906",
tro-29201451,A,Plantaginaceae,,Penstemon,,"pinifolius",,"","Greene",Accepted,,M,TRO,29201451,808242-1,"Bot. Gaz.","6(6): 218","218","1881",
tro-29204251,A,Plantaginaceae,,Penstemon,,"pinorum",,"","L. Shultz & J. Shultz",Accepted,,M,TRO,29204251,282316-2,"Brittonia","37(1): 98, f. 1","98","1985",
tro-50296249,A,Plantaginaceae,,Penstemon,,"plagapineus",,"","Straw",Accepted,,M,TRO,50296249,,"","","","",
tro-29201452,A,Plantaginaceae,,Penstemon,,"platyphyllus",,"","Rydb.",Accepted,,M,TRO,29201452,187669-2,"Bull. Torrey Bot. Club","36(12): 690","690","1909",
kew-2553242,A,Plantaginaceae,,Penstemon,,"plummerae",,"","Abrams",Unresolved,,L,WCSP (in review),,187670-2,"Bull. Torrey Bot. Club","33: 445","","1906",
kew-2550558,A,Plantaginaceae,,Penstemon,,"pononii",,"","auct.",Unresolved,,L,WCSP (in review),,,"Gard. Chron.","1872: 733","","1872",
tro-50213565,A,Plantaginaceae,,Penstemon,,"potosinus",,"","Straw",Accepted,,M,TRO,50213565,187671-2,"Brittonia","15(1): 62–63","62","1963",
tro-29201453,A,Plantaginaceae,,Penstemon,,"pratensis",,"","Greene",Accepted,,M,TRO,29201453,187672-2,"Leafl. Bot. Observ. Crit.","1(12): 165","165","1906",
kew-2553240,A,Plantaginaceae,,Penstemon,,"pringlei",,"","S.Watson",Unresolved,,L,WCSP (in review),,187673-2,"Proc. Amer. Acad. Arts","23: 281","","1888",
tro-29200184,A,Plantaginaceae,,Penstemon,,"procerus",,"","Douglas ex Graham",Accepted,,M,TRO,29200184,808248-1,"Edinburgh New Philos. J.","7: 348","348","1829",
tro-29201454,A,Plantaginaceae,,Penstemon,,"procerus",subsp.,"aberrans","(M.E. Jones) D.D. Keck",Accepted,,L,TRO,29201454,187675-2,"Amer. Midl. Naturalist","33(1): 146","146","1945",
tro-29203866,A,Plantaginaceae,,Penstemon,,"procerus",var.,"brachyanthus","(Pennell) Cronquist",Accepted,,L,TRO,29203866,,"Vasc. Pl. Pacific N.W.","4: 399","399","1959",
tro-29203865,A,Plantaginaceae,,Penstemon,,"procerus",var.,"formosus","(A. Nelson) Cronquist",Accepted,,L,TRO,29203865,187681-2,"Vasc. Pl. Pacific N.W.","4: 398","398","1959",
tro-50314816,A,Plantaginaceae,,Penstemon,,"procerus",f.,"genuiculatus","(Greene) L. Clark",Synonym,,L,TRO,50314816,,"Univ. Calif. Publ. Bot.","9: 325","325","1921",tro-50316462
tro-29204284,A,Plantaginaceae,,Penstemon,,"procerus",var.,"modestus","(Greene) N.H. Holmgren",Accepted,,L,TRO,29204284,187685-2,"Brittonia","31(1): 106","106","1979",
tro-29203788,A,Plantaginaceae,,Penstemon,,"procerus",var.,"procerus","",Synonym,,L,TRO,29203788,,"","","","",tro-29200184
tro-29204143,A,Plantaginaceae,,Penstemon,,"procerus",f.,"procerus","",Synonym,,L,TRO,29204143,,"","","","",tro-29200184
tro-29203864,A,Plantaginaceae,,Penstemon,,"procerus",var.,"tolmiei","(Hook.) Cronquist",Accepted,,L,TRO,29203864,187691-2,"Vasc. Pl. Pacific N.W.","4: 398","398","1959",
tro-50322513,A,Plantaginaceae,,Penstemon,,"procerus",subsp.,"tolmiei","(Hook.) D.D. Keck",Synonym,,L,TRO,50322513,187690-2,"Brittonia","8(4): 249","249","1957",tro-29203864
tro-50096565,A,Plantaginaceae,,Penstemon,,"procumbens",,"","Greene",Synonym,,M,TRO,50096565,187693-2,"Pl. Baker.","3: 23–24","23","1901",tro-29201302
kew-2553267,A,Plantaginaceae,,Penstemon,,"productus",,"","Greene",Unresolved,,L,WCSP (in review),,187694-2,"Leafl. Bot. Observ. Crit.","1: 166","","1906",
kew-2553266,A,Plantaginaceae,,Penstemon,,"propinquus",,"","Greene",Unresolved,,L,WCSP (in review),,187695-2,"Leafl. Bot. Observ. Crit.","1: 166","","1906",
tro-29201458,A,Plantaginaceae,,Penstemon,,"pruinosus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201458,,"Edwards's Bot. Reg.","15: pl. 1280","pl. 1280","1828",
kew-2553264,A,Plantaginaceae,,Penstemon,,"pseudohumilis",,"","M.E.Jones",Unresolved,,L,WCSP (in review),,187697-2,"Contr. W. Bot.","12: 65","","1908",
kew-2553265,A,Plantaginaceae,,Penstemon,,"pseudohumilis",,"","Rydb.",Unresolved,,L,WCSP (in review),,187696-2,"Mem. New York Bot. Gard.","1: 347","","1900",
kew-2550174,A,Plantaginaceae,,Penstemon,,"pseudoparvus",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187698-2,"Amer. Midl. Naturalist","74: 431","","1965",
tro-29204280,A,Plantaginaceae,,Penstemon,,"pseudoprocerus",,"","Rydb.",Synonym,,M,TRO,29204280,187699-2,"Mem. New York Bot. Gard.","1: 346–347","346","1900",tro-29203846
tro-29201459,A,Plantaginaceae,,Penstemon,,"pseudoputus",,"","(Crosswh.) N.H. Holmgren",Accepted,,M,TRO,29201459,187700-2,"Brittonia","31(1): 106","106","1979",
tro-29201460,A,Plantaginaceae,,Penstemon,,"pseudospectabilis",,"","M.E. Jones",Accepted,,M,TRO,29201460,187701-2,"Contr. W. Bot.","12: 66","66","1908",
tro-50116272,A,Plantaginaceae,,Penstemon,,"pseudospectabilis",subsp.,"bicolor","(Brandegee) D.D. Keck",Synonym,,L,TRO,50116272,187702-2,"Amer. Midl. Naturalist","18(5): 806","806","1937",tro-29201267
tro-100373200,A,Plantaginaceae,,Penstemon,,"pseudospectabilis",subsp.,"clutei","(A. Nelson) D.D. Keck",Accepted,,L,TRO,100373200,187703-2,"Amer. Midl. Naturalist","18(5): 806","806","1937",
tro-29201461,A,Plantaginaceae,,Penstemon,,"pseudospectabilis",subsp.,"connatifolius","(A. Nelson) D.D. Keck",Accepted,,L,TRO,29201461,187704-2,"Amer. Midl. Naturalist","18(5): 807","807","1937",
tro-50146270,A,Plantaginaceae,,Penstemon,,"pseudospectabilis",subsp.,"pseudospectabilis","",Synonym,,L,TRO,50146270,,"","","","",tro-29201460
kew-2550483,A,Plantaginaceae,,Penstemon,,"puberulentus",,"","Rydb.",Unresolved,,L,WCSP (in review),,187706-2,"Fl. Rocky Mts.","774","","1917",
kew-2553210,A,Plantaginaceae,,Penstemon,,"puberulus",,"","Wooton & Standl.",Unresolved,,L,WCSP (in review),,290693-2,"Bull. Torrey Bot. Club","36: 112","","1909",
kew-2553211,A,Plantaginaceae,,Penstemon,,"puberulus",,"","M.E.Jones",Unresolved,,L,WCSP (in review),,187707-2,"Contr. W. Bot.","12: 64","","1908",
kew-2550477,A,Plantaginaceae,,Penstemon,,"pubescens",,"","Aiton",Unresolved,,L,WCSP (in review),,187708-2,"Hort. Kew.","2: 360","","1789",
tro-50107887,A,Plantaginaceae,,Penstemon,,"pubescens",var.,"gracilis","(Nutt.) A. Gray",Synonym,,L,TRO,50107887,187710-2,"Proc. Amer. Acad. Arts","6: 69","69","1862",kew-2550854
tro-50338177,A,Plantaginaceae,,Penstemon,,"pubescens",var.,"multiflorus","Benth.",Synonym,,L,TRO,50338177,187712-2,"Prodr.","10: 327","327","1846",tro-50338178
tro-29201462,A,Plantaginaceae,,Penstemon,,"pudicus",,"","Reveal & Beatley",Accepted,,M,TRO,29201462,187713-2,"Bull. Torrey Bot. Club","98(6): 332–333","332","1971",
kew-2550478,A,Plantaginaceae,,Penstemon,,"pulchellus",,"","Lindl.",Synonym,,M,WCSP (in review),,808261-1,"Bot. Reg.","14: t. 1138","","1828",kew-2550756
tro-29201463,A,Plantaginaceae,,Penstemon,,"pumilus",,"","Nutt.",Accepted,,M,TRO,29201463,808263-1,"J. Acad. Nat. Sci. Philadelphia","7(1): 46","46","1834",
tro-50240132,A,Plantaginaceae,,Penstemon,,"pumilus",var.,"incanus","A. Gray",Synonym,,L,TRO,50240132,187716-2,"Syn. Fl. N. Amer.","2(1): 269","269","1878",tro-50110030
tro-50107889,A,Plantaginaceae,,Penstemon,,"pumilus",var.,"thompsoniae","A. Gray",Synonym,,L,TRO,50107889,187717-2,"Syn. Fl. N. Amer.","2(1): 269","269","1878",tro-29201502
tro-50175650,A,Plantaginaceae,,Penstemon,,"punctatus",,"","Brandegee",Accepted,,M,TRO,50175650,187718-2,"Univ. Calif. Publ. Bot.","4(11): 189–190","189","1911",
kew-2550459,A,Plantaginaceae,,Penstemon,,"puniceus",,"","Lilja",Unresolved,,L,WCSP (in review),,808265-1,"Linnaea","17: 111","","1843",
kew-2550476,A,Plantaginaceae,,Penstemon,,"puniceus",,"","A.Gray",Unresolved,,L,WCSP (in review),,,"Rep. U.S. Mex. Bound.","2(1): 113","","1858",
tro-50288936,A,Plantaginaceae,,Penstemon,,"puniceus",var.,"parryi","A. Gray",Synonym,,L,TRO,50288936,,"Rep. U.S. Mex. Bound.","2(1): 113","113","1859",tro-29201438
tro-29201464,A,Plantaginaceae,,Penstemon,,"purpusii",,"","Brandegee",Accepted,,M,TRO,29201464,187720-2,"Bot. Gaz.","27(6): 455–456","455","1899",
tro-29201465,A,Plantaginaceae,,Penstemon,,"putus",,"","A. Nelson",Accepted,,M,TRO,29201465,187721-2,"Univ. Wyoming Publ. Sci., Bot.","1(5): 131–132","131","1926",
tro-29201466,A,Plantaginaceae,,Penstemon,,"radicosus",,"","A. Nelson",Accepted,,M,TRO,29201466,187722-2,"Bull. Torrey Bot. Club","25(5): 280","280","1898",
kew-2550080,A,Plantaginaceae,,Penstemon,,"ramaleyi",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187723-2,"Publ. Univ. Wyoming","3: 106","","1937",
kew-2550081,A,Plantaginaceae,,Penstemon,,"ramosus",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187724-2,"Sida","2: 341","","1966",
tro-29201467,A,Plantaginaceae,,Penstemon,,"rattanii",,"","A. Gray",Accepted,,M,TRO,29201467,808269-1,"Proc. Amer. Acad. Arts","15(1): 50–51","50","1880",
tro-29201468,A,Plantaginaceae,,Penstemon,,"rattanii",subsp.,"kleei","(Greene) D.D. Keck",Accepted,,L,TRO,29201468,187725-2,"Publ. Carnegie Inst. Wash.","520: 295","295","1940",
tro-50287559,A,Plantaginaceae,,Penstemon,,"rattanii",var.,"minor","A. Gray",Synonym,,L,TRO,50287559,187727-2,"Proc. Amer. Acad. Arts","15(1): 51","51","1880",tro-50287558
tro-29203925,A,Plantaginaceae,,Penstemon,,"rattanii",subsp.,"rattanii","",Synonym,,L,TRO,29203925,,"","","","",tro-29201467
tro-29207741,A,Plantaginaceae,,Penstemon,,"rattanii",var.,"rattanii","",Synonym,,L,TRO,29207741,,"","","","1880",tro-29201467
kew-2553194,A,Plantaginaceae,,Penstemon,,"recurvatus",,"","A.Heller",Unresolved,,L,WCSP (in review),,187729-2,"Muhlenbergia","2: 247","","1906",
tro-50104107,A,Plantaginaceae,,Penstemon,,"regalis",,"","A. Nelson",Synonym,,M,TRO,50104107,187730-2,"Amer. J. Bot.","21(9): 578–579","578","1934",tro-29201283
tro-50004615,A,Plantaginaceae,,Penstemon,,"retrorsoides",,"","Crosswh.",Unresolved,,L,TRO,50004615,,"","","","",
tro-29201469,A,Plantaginaceae,,Penstemon,,"retrorsus",,"","Payson ex Pennell",Accepted,,M,TRO,29201469,,"Contr. U.S. Natl. Herb.","20(9): 373","373","1920",
kew-2553192,A,Plantaginaceae,,Penstemon,,"rex",,"","A.Nelson & J.F.Macbr.",Unresolved,,L,WCSP (in review),,187732-2,"Bot. Gaz.","55: 381","","1913",
kew-2550083,A,Plantaginaceae,,Penstemon,,"rhizomatosus",,"","N.H.Holmgren",Unresolved,,L,WCSP (in review),,1002752-1,"Brittonia","50: 162","","1998",
tro-29201470,A,Plantaginaceae,,Penstemon,,"richardsonii",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201470,,"Bot. Reg.","13: pl. 1121","pl. 1121","1828",
tro-29203870,A,Plantaginaceae,,Penstemon,,"richardsonii",var.,"richardsonii","",Synonym,,L,TRO,29203870,,"","","","",tro-29201470
tro-50079832,A,Plantaginaceae,,Penstemon,,"riparius",,"","A. Nelson",Synonym,,M,TRO,50079832,187737-2,"Bull. Torrey Bot. Club","25(7): 379–380","379","1898",tro-50079833
kew-2550451,A,Plantaginaceae,,Penstemon,,"rivularis",,"","Douglas ex Trautv.",Unresolved,,L,WCSP (in review),,808275-1,"Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg","5: 346","","1839",
tro-29204339,A,Plantaginaceae,,Penstemon,,"roezlii",,"","Regel",Accepted,,M,TRO,29204339,323252-2,"Gartenflora","21(8): 239–240","239","1872",
tro-50107550,A,Plantaginaceae,,Penstemon,,"roezlii",var.,"violaceus","Brandegee",Synonym,,L,TRO,50107550,187739-2,"Bot. Gaz.","27(6): 456","456","1899",tro-50110668
tro-50149442,A,Plantaginaceae,,Penstemon,,"roseus",,"","(Cerv. ex Sweet) G. Don",Accepted,,L,TRO,50149442,,"Gen. Hist.","4: 639","639","1838",
tro-29204340,A,Plantaginaceae,,Penstemon,,"rostriflorus",,"","Kellogg",Accepted,,M,TRO,29204340,,"Hutching's California Mag.","5(3): 102","102","1860",
tro-29203952,A,Plantaginaceae,,Penstemon,,"rothrockii",,"","A. Gray",Synonym,,M,TRO,29203952,808279-1,"Syn. Fl. N. Amer.","2(1): 260","260","1878",tro-29201015
tro-50114907,A,Plantaginaceae,,Penstemon,,"rothrockii",var.,"jacintensis","(Abrams) Munz & I.M. Johnst.",Synonym,,L,TRO,50114907,1064944-2,"Bull. S. Calif. Acad. Sci.","23(1): 27","27","1924",tro-29207717
tro-50213564,A,Plantaginaceae,,Penstemon,,"rotundifolius",,"","A. Gray",Accepted,,M,TRO,50213564,187746-2,"Proc. Amer. Acad. Arts","22: 307","307","1887",
kew-2550487,A,Plantaginaceae,,Penstemon,,"rubescens",,"","A.Gray",Unresolved,,L,WCSP (in review),,808281-1,"Proc. Amer. Acad. Arts","19: 92","","1883",
tro-29201473,A,Plantaginaceae,,Penstemon,,"rubicundus",,"","D.D. Keck",Accepted,,M,TRO,29201473,187747-2,"Amer. Midl. Naturalist","18(5): 802, f. 1 [map]","802","1937",
tro-29201474,A,Plantaginaceae,,Penstemon,,"rupicola",,"","(Piper) Howell",Accepted,,M,TRO,29201474,,"Fl. N.W. Amer.","5: 510","510","1901",
tro-29201475,A,Plantaginaceae,,Penstemon,,"rydbergii",,"","A. Nelson",Accepted,,M,TRO,29201475,187749-2,"Bull. Torrey Bot. Club","25(5): 281","281","1898",
tro-29201476,A,Plantaginaceae,,Penstemon,,"rydbergii",var.,"aggregatus","(Pennell) N.H. Holmgren",Accepted,,L,TRO,29201476,187750-2,"Brittonia","31(1): 106","106","1979",
tro-50079702,A,Plantaginaceae,,Penstemon,,"rydbergii",subsp.,"aggregatus","(Pennell) D.D. Keck",Synonym,,L,TRO,50079702,187751-2,"Amer. Midl. Naturalist","33(1): 158","158","1945",tro-29201476
tro-29204278,A,Plantaginaceae,,Penstemon,,"rydbergii",var.,"rydbergii","",Synonym,,L,TRO,29204278,,"","","","",tro-29201475
tro-29201477,A,Plantaginaceae,,Penstemon,,"rydbergii",var.,"varians","(A. Nelson) Cronquist",Accepted,,L,TRO,29201477,187753-2,"Vasc. Pl. Pacific N.W.","4: 402","402","1959",
kew-2550078,A,Plantaginaceae,,Penstemon,,"sagittatus",,"","(D.D.Keck) Pennell",Unresolved,,L,WCSP (in review),,187754-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 15","","1941",
tro-50107905,A,Plantaginaceae,,Penstemon,,"saliens",,"","Rydb.",Synonym,,M,TRO,50107905,187755-2,"Mem. New York Bot. Gard.","1: 344–345","344","1900",tro-50107904
kew-2550088,A,Plantaginaceae,,Penstemon,,"saltarius",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187756-2,"Amer. Midl. Naturalist","84: 243","","1970",
tro-29201478,A,Plantaginaceae,,Penstemon,,"saxosorum",,"","Pennell",Accepted,,M,TRO,29201478,187757-2,"Contr. U.S. Natl. Herb.","20(9): 349–350","349","1920",
kew-2553217,A,Plantaginaceae,,Penstemon,,"scabridus",,"","Eastw.",Unresolved,,L,WCSP (in review),,187758-2,"Bull. Torrey Bot. Club","32: 208","","1905",
tro-29201479,A,Plantaginaceae,,Penstemon,,"scapoides",,"","D.D. Keck",Accepted,,M,TRO,29201479,187759-2,"Univ. Calif. Publ. Bot.","16(11): 379–381, f. 4","379","1932",
tro-29201480,A,Plantaginaceae,,Penstemon,,"scariosus",,"","Pennell",Accepted,,M,TRO,29201480,187760-2,"Contr. U.S. Natl. Herb.","20(9): 353","353","1920",
kew-2550092,A,Plantaginaceae,,Penstemon,,"scariosus",var.,"garrettii","(Pennell) N.H.Holmgren",Accepted,,L,WCSP (in review),,923646-1,"Intermountain Fl.","4: 442","","1984",
tro-29204328,A,Plantaginaceae,,Penstemon,,"scariosus",var.,"scariosus","",Synonym,,L,TRO,29204328,,"","","","1984",tro-29201480
kew-2550070,A,Plantaginaceae,,Penstemon,,"schaffneri",,"","(Hemsl.) Straw",Unresolved,,L,WCSP (in review),,187761-2,"Brittonia","15: 56","","1963",
kew-2550087,A,Plantaginaceae,,Penstemon,,"scoparius",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187762-2,"Publ. Sci. Univ. Wyoming, Bot.","1: 132","","1926",
tro-50338158,A,Plantaginaceae,,Penstemon,,"scouleri",,"","Lindl.",Synonym,,M,TRO,50338158,,"Edwards's Bot. Reg.","15: pl. 1277","pl. 1277","1829",tro-29203855
tro-50084323,A,Plantaginaceae,,Penstemon,,"scrophularioides",,"","M.E. Jones",Synonym,,M,TRO,50084323,307313-2,"Contr. W. Bot.","12: 65–66","65","1908",tro-29207734
tro-29201481,A,Plantaginaceae,,Penstemon,,"secundiflorus",,"","Benth.",Accepted,,M,TRO,29201481,808290-1,"Prodr.","10: 325","325","1846",
tro-29201482,A,Plantaginaceae,,Penstemon,,"seorsus",,"","(A. Nelson) D.D. Keck",Accepted,,M,TRO,29201482,187767-2,"Amer. Midl. Naturalist","23(3): 595","595","1940",
tro-29201483,A,Plantaginaceae,,Penstemon,,"sepalulus",,"","A. Nelson",Accepted,,M,TRO,29201483,187768-2,"New Man. Bot. Centr. Rocky Mt.","449","449","1909",
tro-29200185,A,Plantaginaceae,,Penstemon,,"serrulatus",,"","Menzies ex Sm.",Accepted,,M,TRO,29200185,60456598-2,"Cycl.","26(2): Pentstemon no. 5","Pentstemon no. 5","1814",
kew-2550063,A,Plantaginaceae,,Penstemon,,"shantzii",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187769-2,"Amer. J. Bot.","23: 270","","1936",
tro-29201484,A,Plantaginaceae,,Penstemon,,"shastensis",,"","D.D. Keck",Accepted,,M,TRO,29201484,307314-2,"Amer. Midl. Naturalist","33(1): 165–166, f. 10 [map]","165","1945",
kew-2553344,A,Plantaginaceae,,Penstemon,,"shockleyi",,"","S.Watson",Unresolved,,L,WCSP (in review),,187772-2,"Proc. Amer. Acad. Arts","23: 265","","1888",
kew-2553343,A,Plantaginaceae,,Penstemon,,"similis",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187773-2,"Bull. Torrey Bot. Club","25: 548","","1898",
kew-2550065,A,Plantaginaceae,,Penstemon,,"skutchii",,"","Straw",Synonym,,M,WCSP (in review),,187774-2,"Bol. Soc. Bot. México","27: 13","","1962",kew-2550948
tro-29201485,A,Plantaginaceae,,Penstemon,,"smallii",,"","A. Heller",Accepted,,M,TRO,29201485,187775-2,"Bull. Torrey Bot. Club","21(1): 25–26","25","1894",
tro-50080462,A,Plantaginaceae,,Penstemon,,"sonomensis",,"","Greene",Synonym,,M,TRO,50080462,187777-2,"Pittonia","2(10C): 218","218","1891",tro-29201424
kew-2553339,A,Plantaginaceae,,Penstemon,,"spathulatus",,"","Eastw. ex C.F.Baker",Unresolved,,L,WCSP (in review),,187778-2,"West Amer. Pl.","3: 9","","1904",
tro-29201486,A,Plantaginaceae,,Penstemon,,"spatulatus",,"","Pennell",Accepted,,M,TRO,29201486,187779-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 10–11","10","1941",
tro-29201487,A,Plantaginaceae,,Penstemon,,"speciosus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201487,,"Edwards's Bot. Reg.","15: pl. 1270","pl. 1270","1829",
tro-29201488,A,Plantaginaceae,,Penstemon,,"speciosus",subsp.,"kennedyi","(A. Nelson) D.D. Keck",Accepted,,L,TRO,29201488,187781-2,"Amer. Midl. Naturalist","23(3): 613","613","1940",
tro-50306616,A,Plantaginaceae,,Penstemon,,"speciosus",subsp.,"lemhiensis","D.D. Keck",Synonym,,L,TRO,50306616,187782-2,"Amer. Midl. Naturalist","23(3): 612","612","1940",tro-29201393
tro-50114914,A,Plantaginaceae,,Penstemon,,"speciosus",var.,"piliferus","(A. Heller) Munz & I.M. Johnst.",Accepted,,L,TRO,50114914,187783-2,"Bull. S. Calif. Acad. Sci.","23(1): 35","35","1924",
tro-29203934,A,Plantaginaceae,,Penstemon,,"speciosus",subsp.,"speciosus","",Synonym,,L,TRO,29203934,,"","","","1940",tro-29201487
tro-29201489,A,Plantaginaceae,,Penstemon,,"spectabilis",,"","Thurb. ex A. Gray",Accepted,,M,TRO,29201489,,"Pacif. Railr. Rep.","4(5): 119–120","119","1857",
tro-29203938,A,Plantaginaceae,,Penstemon,,"spectabilis",subsp.,"spectabilis","",Synonym,,L,TRO,29203938,,"","","","",tro-29201489
tro-29207743,A,Plantaginaceae,,Penstemon,,"spectabilis",var.,"spectabilis","",Synonym,,L,TRO,29207743,,"","","","",tro-29201489
kew-2550115,A,Plantaginaceae,,Penstemon,,"spicatus",,"","auct.",Unresolved,,L,WCSP (in review),,,"Gard. Chron.","1872: 733","","1872",
tro-50110124,A,Plantaginaceae,,Penstemon,,"spinulosus",,"","Wooton & Standl.",Synonym,,M,TRO,50110124,187790-2,"Contr. U.S. Natl. Herb.","16(4): 173","173","1913",tro-50133165
kew-2550117,A,Plantaginaceae,,Penstemon,,"staticifolius",,"","Lindl.",Unresolved,,L,WCSP (in review),,808301-1,"Edwards's Bot. Reg.","21: t. 1770","","1835",
tro-29201491,A,Plantaginaceae,,Penstemon,,"stenophyllus",,"","A. Gray",Accepted,,M,TRO,29201491,,"Rep. U.S. Mex. Bound.","2(1): 112","112","1859",
tro-50107895,A,Plantaginaceae,,Penstemon,,"stenosepalus",,"","(A. Gray) Howell",Accepted,,M,TRO,50107895,,"Fl. N.W. Amer.","5: 514","514","1901",
tro-29201492,A,Plantaginaceae,,Penstemon,,"stephensii",,"","Brandegee",Accepted,,M,TRO,29201492,187793-2,"Zoë","5(9): 151","151","1903",
tro-29204332,A,Plantaginaceae,,Penstemon,,"strictiformis",,"","Rydb.",Accepted,,M,TRO,29204332,187794-2,"Bull. Torrey Bot. Club","31(12): 642","642","1904",
tro-29201493,A,Plantaginaceae,,Penstemon,,"strictus",,"","Benth.",Accepted,,M,TRO,29201493,808306-1,"Prodr.","10: 324–325","324","1846",
tro-29201496,A,Plantaginaceae,,Penstemon,,"subglaber",,"","Rydb.",Accepted,,M,TRO,29201496,187797-2,"Bull. Torrey Bot. Club","36(12): 688","688","1909",
tro-29201497,A,Plantaginaceae,,Penstemon,,"subserratus",,"","Pennell",Accepted,,M,TRO,29201497,187798-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 13–14","13","1941",
tro-29201498,A,Plantaginaceae,,Penstemon,,"subulatus",,"","M.E. Jones",Accepted,,M,TRO,29201498,187799-2,"Contr. W. Bot.","12: 63","63","1908",
tro-29204276,A,Plantaginaceae,,Penstemon,,"sudans",,"","M.E. Jones",Accepted,,M,TRO,29204276,187800-2,"Contr. W. Bot.","8: 37","37","1898",
kew-2553365,A,Plantaginaceae,,Penstemon,,"suffrutescens",,"","Rydb.",Unresolved,,L,WCSP (in review),,187801-2,"Bull. Torrey Bot. Club","28: 503","","1901",
kew-2550120,A,Plantaginaceae,,Penstemon,,"suffruticosus",,"","Douglas ex Benth.",Unresolved,,L,WCSP (in review),,808311-1,"Prodr.","10: 330","","1846",
kew-2553364,A,Plantaginaceae,,Penstemon,,"superbus",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187802-2,"Proc. Biol. Soc. Wash.","17: 100","","1904",
kew-2550096,A,Plantaginaceae,,Penstemon,,"tenellus",,"","Kellogg",Unresolved,,L,WCSP (in review),,808313-1,"Proc. Calif. Acad. Sci.","1: 56","","1855",
tro-29201499,A,Plantaginaceae,,Penstemon,,"tenuiflorus",,"","Pennell",Accepted,,M,TRO,29201499,187803-2,"Addisonia","4: 79–80, pl. 160","79","1919",
tro-50175680,A,Plantaginaceae,,Penstemon,,"tenuifolius",,"","Benth.",Accepted,,M,TRO,50175680,,"Pl. Hartw.","22","22","1839",
tro-29201500,A,Plantaginaceae,,Penstemon,,"tenuis",,"","Small",Accepted,,M,TRO,29201500,187804-2,"Fl. S.E. U.S.","1061, 1337","1061","1903",
tro-50296251,A,Plantaginaceae,,Penstemon,,"tepicensis",,"","Straw",Accepted,,M,TRO,50296251,,"","","","",
kew-2553361,A,Plantaginaceae,,Penstemon,,"teretiflorus",,"","Nutt.",Unresolved,,L,WCSP (in review),,60431656-2,"Cat. Pl. Upper Louisiana","66","","1813",
tro-29203964,A,Plantaginaceae,,Penstemon,,"ternatus",,"","Torr. ex A. Gray",Synonym,,M,TRO,29203964,,"Rep. U.S. Mex. Bound.","2(1): 115","115","1859",tro-29201017
tro-50114911,A,Plantaginaceae,,Penstemon,,"ternatus",var.,"septentrionalis","Munz & I.M. Johnst.",Synonym,,L,TRO,50114911,307626-2,"Bull. S. Calif. Acad. Sci.","23(1): 28–29","28","1924",tro-29207715
tro-29201501,A,Plantaginaceae,,Penstemon,,"teucrioides",,"","Greene",Accepted,,M,TRO,29201501,187810-2,"Pl. Baker.","3: 23","23","1901",
kew-2550095,A,Plantaginaceae,,Penstemon,,"themisteri",,"","Bailly",Unresolved,,L,WCSP (in review),,,"Fl. Pleine Terre","ed. 2: 657","","1866",
tro-29201502,A,Plantaginaceae,,Penstemon,,"thompsoniae",,"","(A. Gray) Rydb.",Accepted,,M,TRO,29201502,187811-2,"Bull. Torrey Bot. Club","36(12): 690","690","1909",
tro-29201504,A,Plantaginaceae,,Penstemon,,"thurberi",,"","Torr.",Accepted,,M,TRO,29201504,,"Pacif. Railr. Rep. Parke, Bot.","7(3/1): 15","15","1856",
tro-29201506,A,Plantaginaceae,,Penstemon,,"tidestromii",,"","Pennell",Accepted,,M,TRO,29201506,187816-2,"Contr. U.S. Natl. Herb.","20(9): 379–380","379","1920",
kew-2550071,A,Plantaginaceae,,Penstemon,,"tiehmii",,"","N.H.Holmgren",Unresolved,,L,WCSP (in review),,1002751-1,"Brittonia","50: 159","","1998",
kew-2550072,A,Plantaginaceae,,Penstemon,,"tinctus",,"","Pennell",Unresolved,,L,WCSP (in review),,187817-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 6","","1941",
tro-29203914,A,Plantaginaceae,,Penstemon,,"tolmiei",,"","Hook.",Synonym,,M,TRO,29203914,808324-1,"Fl. Bor.-Amer.","2: 98","98","1838",tro-29203864
tro-100373412,A,Plantaginaceae,,Penstemon,,"tolmiei",subsp.,"modestus","(Greene) D.D. Keck",Synonym,,L,TRO,100373412,187821-2,"Amer. Midl. Naturalist","33(1): 148","148","1945",tro-29204284
tro-29204337,A,Plantaginaceae,,Penstemon,,"torreyi",,"","Benth.",Synonym,,M,TRO,29204337,808325-1,"Prodr.","10: 324","324","1846",tro-29201263
tro-29201507,A,Plantaginaceae,,Penstemon,,"tracyi",,"","D.D. Keck",Accepted,,M,TRO,29201507,187824-2,"Amer. Midl. Naturalist","23(3): 603–605, f. 1 [map], 2","603","1940",
tro-50107912,A,Plantaginaceae,,Penstemon,,"trichander",,"","(A. Gray) Rydb.",Synonym,,M,TRO,50107912,187825-2,"Bull. Torrey Bot. Club","33(3): 151","151","1906",tro-29201264
tro-29201508,A,Plantaginaceae,,Penstemon,,"triflorus",,"","A. Heller",Accepted,,M,TRO,29201508,187826-2,"Contr. Herb. Frankl. & Marsh. Coll.","1: 92–93, pl. 8","92","1895",
tro-29201510,A,Plantaginaceae,,Penstemon,,"triphyllus",,"","Douglas",Accepted,,M,TRO,29201510,808329-1,"Edwards's Bot. Reg.","15: pl. 1245","pl. 1245","1829",
kew-2550074,A,Plantaginaceae,,Penstemon,,"truncatus",,"","Pennell",Unresolved,,L,WCSP (in review),,187832-2,"Notul. Nat. Acad. Nat. Sci. Philadelphia","71: 5","","1941",
tro-29200187,A,Plantaginaceae,,Penstemon,,"tubaeflorus",,"","Nutt.",Accepted,,M,TRO,29200187,,"Trans. Amer. Philos. Soc.","5(6[3]): 181–182","181","1837",
tro-29200188,A,Plantaginaceae,,Penstemon,,"tubaeflorus",var.,"tubaeflorus","",Synonym,,L,TRO,29200188,,"","","","1949",tro-29200187
kew-2550789,A,Plantaginaceae,,Penstemon,,"tubiflorus",,"","Nutt.",Unresolved,,L,WCSP (in review),,30028415-2,"Trans. Amer. Philos. Soc.","n.s., 5: 181","","1837",
kew-2550075,A,Plantaginaceae,,Penstemon,,"tusharensis",,"","N.H.Holmgren",Unresolved,,L,WCSP (in review),,290691-2,"Brittonia","31: 106","","1979",
tro-50095016,A,Plantaginaceae,,Penstemon,,"tweedyi",,"","Canby & Rose",Synonym,,M,TRO,50095016,187835-2,"Bot. Gaz.","15(3): 66","66","1890",tro-50246116
tro-29201514,A,Plantaginaceae,,Penstemon,,"uintahensis",,"","Pennell",Accepted,,M,TRO,29201514,187836-2,"Contr. U.S. Natl. Herb.","20(9): 350–351","350","1920",
tro-29201515,A,Plantaginaceae,,Penstemon,,"unilateralis",,"","Rydb.",Accepted,,M,TRO,29201515,187837-2,"Bull. Torrey Bot. Club","33(3): 150–151","150","1906",
tro-29201516,A,Plantaginaceae,,Penstemon,,"utahensis",,"","Eastw.",Accepted,,M,TRO,29201516,187838-2,"Zoë","4(2): 124–125","124","1893",
tro-29203929,A,Plantaginaceae,,Penstemon,,"variabilis",,"","Suksd.",Accepted,,M,TRO,29203929,187840-2,"Deutsche Bot. Monatsschr.","18(10): 153–154","153","1900",
tro-29203919,A,Plantaginaceae,,Penstemon,,"vaseyanus",,"","Greene",Accepted,,M,TRO,29203919,187841-2,"Leafl. Bot. Observ. Crit.","1(14): 200","200","1906",
tro-50080706,A,Plantaginaceae,,Penstemon,,"venosus",,"","(D.D. Keck) Reveal",Synonym,,M,TRO,50080706,187842-2,"Great Basin Naturalist","34(4): 311","311","1974",tro-29201247
tro-29201517,A,Plantaginaceae,,Penstemon,,"venustus",,"","Douglas ex Lindl.",Accepted,,M,TRO,29201517,,"Edwards's Bot. Reg.","16: pl. 1309","pl. 1309","1830",
kew-2553287,A,Plantaginaceae,,Penstemon,,"veronicifolius",,"","Greene",Unresolved,,L,WCSP (in review),,187843-2,"Leafl. Bot. Observ. Crit.","1: 167","","1906",
kew-2553286,A,Plantaginaceae,,Penstemon,,"versicolor",,"","Pennell",Unresolved,,L,WCSP (in review),,187844-2,"Contr. U. S. Natl. Herb.","20: 358","","1920",
kew-2550800,A,Plantaginaceae,,Penstemon,,"verticillatus",,"","M.Martens & Galeotti",Unresolved,,L,WCSP (in review),,808341-1,"Bull. Acad. Roy. Sci. Bruxelles","12(2): 18","","1845",
tro-50110668,A,Plantaginaceae,,Penstemon,,"violaceus",,"","(Brandegee) A. Nelson",Accepted,,M,TRO,50110668,187845-2,"Proc. Biol. Soc. Wash.","17(11): 96–97","96","1904",
tro-29200189,A,Plantaginaceae,,Penstemon,,"virens",,"","Pennell ex Rydb.",Accepted,,M,TRO,29200189,808343-1,"Fl. Rocky Mts.","773, 1066","773","1917",
tro-29202491,A,Plantaginaceae,,Penstemon,,"virgatus",,"","A. Gray",Accepted,,M,TRO,29202491,,"Rep. U.S. Mex. Bound.","2(1): 113","113","1859",
tro-50102526,A,Plantaginaceae,,Penstemon,,"virgatus",var.,"arizonicus","(A. Gray) D.D. Keck",Accepted,,L,TRO,50102526,,"J. Wash. Acad. Sci.","29(11): 491","491","1939",
tro-29204316,A,Plantaginaceae,,Penstemon,,"virgatus",subsp.,"pseudoputus","Crosswh.",Synonym,,L,TRO,29204316,187849-2,"Amer. Midl. Naturalist","77(1): 35–37, f. 1 [map]","35","1967",tro-29201459
kew-2550794,A,Plantaginaceae,,Penstemon,,"viscidulus",,"","Nees",Unresolved,,L,WCSP (in review),,,"Reise Bras.","2: 333","","1821",
kew-2550819,A,Plantaginaceae,,Penstemon,,"vizcainensis",,"","Moran",Unresolved,,L,WCSP (in review),,187851-2,"Phytologia","45: 498","","1980",
kew-2550827,A,Plantaginaceae,,Penstemon,,"vulcanellus",,"","Crosswh.",Unresolved,,L,WCSP (in review),,187852-2,"Amer. Midl. Naturalist","84: 240","","1970",
tro-29201520,A,Plantaginaceae,,Penstemon,,"wardii",,"","A. Gray",Accepted,,M,TRO,29201520,,"Proc. Amer. Acad. Arts","12: 82","82","1876",
tro-29201521,A,Plantaginaceae,,Penstemon,,"washingtonensis",,"","D.D. Keck",Accepted,,M,TRO,29201521,187854-2,"Amer. Midl. Naturalist","33(1): 150–151, f. 6 [map]","150","1945",
kew-2553323,A,Plantaginaceae,,Penstemon,,"washoensis",,"","Greene",Unresolved,,L,WCSP (in review),,187855-2,"Leafl. Bot. Observ. Crit.","1: 163","","1906",
tro-29201522,A,Plantaginaceae,,Penstemon,,"watsonii",,"","A. Gray",Accepted,,M,TRO,29201522,808348-1,"Syn. Fl. N. Amer.","2(1): 267","267","1878",
kew-2900351,A,Plantaginaceae,,Penstemon,,"wendtiorum",,"","B.L.Turner",Unresolved,,L,WCSP (in review),,77106966-1,"Phytoneuron","31: 2","","2010",
tro-29201523,A,Plantaginaceae,,Penstemon,,"wherryi",,"","Pennell",Accepted,,M,TRO,29201523,187858-2,"Acad. Nat. Sci. Philadelphia Monogr.","1: 228–229, map 51","228","1935",
tro-29201524,A,Plantaginaceae,,Penstemon,,"whippleanus",,"","A. Gray",Accepted,,M,TRO,29201524,808349-1,"Proc. Amer. Acad. Arts","6: 73–74","73","1862",
tro-29203930,A,Plantaginaceae,,Penstemon,,"whitedii",,"","Piper",Synonym,,M,TRO,29203930,187859-2,"Bot. Gaz.","22(6): 490–491","490","1896",tro-29201334
tro-29203932,A,Plantaginaceae,,Penstemon,,"whitedii",subsp.,"dayanus","(Howell) D.D. Keck",Unresolved,,L,TRO,29203932,187860-2,"Bull. Torrey Bot. Club","65(4): 254","254","1938",
tro-29201525,A,Plantaginaceae,,Penstemon,,"wilcoxii",,"","Rydb.",Accepted,,M,TRO,29201525,187864-2,"Bull. Torrey Bot. Club","28(1): 28–29","28","1901",
tro-50108796,A,Plantaginaceae,,Penstemon,,"wisconsinensis",,"","Pennell",Synonym,,M,TRO,50108796,,"Scroph. E. N. Amer.","234, map 55","234","1935",tro-29204389
tro-50176064,A,Plantaginaceae,,Penstemon,,"wislizeni",,"","(A. Gray) Straw",Accepted,,M,TRO,50176064,187866-2,"Bol. Soc. Bot. México","24: 50","50","1959",
kew-2553314,A,Plantaginaceae,,Penstemon,,"woodsii",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187867-2,"Bot. Gaz.","52: 274","","1911",
tro-29201526,A,Plantaginaceae,,Penstemon,,"wrightii",,"","Hook.",Accepted,,M,TRO,29201526,808353-1,"Bot. Mag.","77: pl. 4601","pl. 4601","1851",
kew-2553325,A,Plantaginaceae,,Penstemon,,"xylus",,"","A.Nelson",Unresolved,,L,WCSP (in review),,187868-2,"Bot. Gaz.","34: 31","","1902",
tro-29201527,A,Plantaginaceae,,Penstemon,,"yampaensis",,"","Penland",Accepted,,M,TRO,29201527,187869-2,"Madroño","14(5): 156–159, f. 2","156","1958",