The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

Results

No plant names match your search for Crataegus heterophylla; we will try Crataegus instead.

1480 plant name records match your search criteria Crataegus. The results are below.

The results can also be downloaded as a CSV file.

See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source
Crataegus abbreviata Sarg. Unresolved L TRO
Crataegus abdita Beadle Unresolved L TRO
Crataegus aboriginum Sarg. Synonym M TRO
Crataegus abstrusa Beadle Unresolved L TRO
Crataegus accincta Sarg. Unresolved L TRO
Crataegus acclivis Sarg. Unresolved L TRO
Crataegus acerba Sarg. Unresolved L TRO
Crataegus acuminata Sarg. Unresolved L TRO
Crataegus acutifolia Sarg. Unresolved L TRO
Crataegus acutifolia var. insignis (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus acutiloba Sarg. Synonym M TRO
Crataegus acutiserrata Kruschke Unresolved L TRO
Crataegus admiranda Sarg. Unresolved L TRO
Crataegus adunca Beadle Unresolved L TRO
Crataegus adusta Beadle Unresolved L TRO
Crataegus advena Sarg. Unresolved L TRO
Crataegus aemula Beadle Unresolved L TRO
Crataegus aestivalis (Walter) Torr. & A. Gray Accepted M TRO
Crataegus aestivalis var. cerasoides (Sarg.) Sarg. Accepted L TRO
Crataegus aestivalis f. luculenta (Sarg.) Sarg. Accepted L TRO
Crataegus aestivalis var. maloides (Sarg.) Sarg. Accepted L TRO
Crataegus affinis Sarg. Unresolved L TRO
Crataegus agaia Sarg. Unresolved L TRO
Crataegus agrestina Beadle Unresolved L TRO
Crataegus alabamensis Beadle Unresolved L TRO
Crataegus alachuana Murrill Unresolved L TRO
Crataegus alachuaniformis Murrill Unresolved L TRO
Crataegus albanthera Sarg. Unresolved L TRO
Crataegus albemarlensis Ashe Unresolved L TRO
Crataegus albicans Ashe Synonym M TRO
Crataegus albicera Beadle Unresolved L TRO
Crataegus alemanniensis Cinovskis Unresolved L TRO
Crataegus algens Beadle Unresolved L TRO
Crataegus aliena Sarg. Unresolved L TRO
Crataegus alleghaniensis Beadle Unresolved L TRO
Crataegus alma Beadle Unresolved L TRO
Crataegus almaatensis Pojark. Accepted M TRO
Crataegus alnifolia Siebold & Zucc. Synonym M TRO
Crataegus alnorum Sarg. Unresolved L TRO
Crataegus alpinus Mill. Synonym M TRO
Crataegus alpista Sarg. Unresolved L TRO
Crataegus altaica (Loudon) Lange Accepted M TRO
Crataegus altaica var. villosa (Rupr.) Lange Synonym L TRO
Crataegus alutacea Klokov Unresolved L TRO
Crataegus amabilis Ashe Unresolved L TRO
Crataegus amara Ashe Unresolved L TRO
Crataegus ambigens Sarg. Unresolved L TRO
Crataegus ambigua C. A. Mey. ex A. Beck. Unresolved L TRO
Crataegus ambitiosa Sarg. Unresolved L TRO
Crataegus ambrosia Sarg. Unresolved L TRO
Crataegus amicalis Sarg. Unresolved L TRO
Crataegus amicta Ashe Synonym M TRO
Crataegus amnicola Beadle Unresolved L TRO
Crataegus amoena Sarg. Unresolved L TRO
Crataegus ampliata Sarg. Unresolved L TRO
Crataegus amplifica Sarg. Unresolved L TRO
Crataegus anamesa Sarg. Unresolved L TRO
Crataegus ancisa Beadle Unresolved L TRO
Crataegus androssovii Essenova & Kerimova Unresolved L TRO
Crataegus angulata Sarg. Synonym M TRO
Crataegus angustata Sarg. Unresolved L TRO
Crataegus angustisepala Sarg. Unresolved L TRO
Crataegus anisophylla Beadle Unresolved L TRO
Crataegus annosa Beadle Unresolved L TRO
Crataegus × anomala Sarg. Unresolved L TRO
Crataegus antheina Sarg. Unresolved L TRO
Crataegus antimima Sarg. Unresolved L TRO
Crataegus antiplasta Sarg. Unresolved L TRO
Crataegus apiifolia Michx. Unresolved L TRO
Crataegus apiifolia Medik. Unresolved L TRO
Crataegus × apiomorpha Sarg. Unresolved L TRO
Crataegus apiomorpha var. cyanophylla (Sarg.) Kruschke Unresolved L TRO
Crataegus apiomorpha f. paucispina (Sarg.) Kruschke Unresolved L TRO
Crataegus apposita Sarg. Unresolved L TRO
Crataegus apposita var. bissellii (Sarg.) Eggl. Unresolved L TRO
Crataegus aprica Beadle Unresolved L TRO
Crataegus aquacervensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus aquilonaris Sarg. Unresolved L TRO
Crataegus araioclada Sarg. Unresolved L TRO
Crataegus arborea Beadle Synonym M TRO
Crataegus arborea var. ohioensis (Sarg.) Kruschke Unresolved L TRO
Crataegus arborescens Elliott Unresolved L TRO
Crataegus arbutifolia W.T. Aiton Synonym M TRO
Crataegus arcana Beadle Unresolved L TRO
Crataegus arcuata Ashe Unresolved L TRO
Crataegus ardua Sarg. Unresolved L TRO
Crataegus arduennae Sarg. Unresolved L TRO
Crataegus arenicola Ashe Unresolved L TRO
Crataegus arguta Beadle Unresolved L TRO
Crataegus argyi H. Lév. & Vaniot Synonym M TRO
Crataegus aria L. Synonym M TRO
Crataegus aria var. scandica L. Synonym L TRO
Crataegus aria var. suecica L. Synonym L TRO
Crataegus aridula Sarg. Unresolved L TRO
Crataegus arkansana Sarg. Unresolved L TRO
Crataegus armena Pojark. Unresolved L TRO
Crataegus armentalis Beadle Unresolved L TRO
Crataegus armigera Sarg. Unresolved L TRO
Crataegus arnoldiana Sarg. Unresolved L TRO
Crataegus arrogans Beadle Unresolved L TRO
Crataegus arta Beadle Unresolved L TRO
Crataegus ascendens Sarg. Unresolved L TRO
Crataegus ashei Beadle Unresolved L TRO
Crataegus aspera Sarg. Synonym M TRO
Crataegus asperifolia Sarg. Synonym M TRO
Crataegus assimilis Beadle Unresolved L TRO
Crataegus assurgens Sarg. Synonym M TRO
Crataegus atrofusca Stev. ex Fisch. & Mey. Unresolved L TRO
Crataegus atropurpurea Ashe Unresolved L TRO
Crataegus atropurpurea Stewart ex Nyman Unresolved L TRO
Crataegus × atrorubens 2717+(pro sp.)+ Synonym M TRO
Crataegus atrosanguinea Pojark. Unresolved L TRO
Crataegus atrovirens J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus attenuata Ashe Unresolved L TRO
Crataegus attrita Beadle Unresolved L TRO
Crataegus audens Beadle Unresolved L TRO
Crataegus × aulica Sarg. Unresolved L TRO
Crataegus aurantia Pojark. Accepted M TRO
Crataegus aurescens J.B. Phipps Unresolved L TRO
Crataegus austrina Beadle Unresolved L TRO
Crataegus austromontana Beadle Unresolved L TRO
Crataegus azarella Griseb. Accepted M TRO
Crataegus azarolus L. Unresolved L TRO
Crataegus azarolus subsp. aronia H. Riedl Synonym L TRO
Crataegus baccata Sarg. Unresolved L TRO
Crataegus balkwillii Sarg. Synonym M TRO
Crataegus barbara Sarg. Unresolved L TRO
Crataegus barbata Sarg. Unresolved L TRO
Crataegus baroussana Eggl. Accepted M TRO
Crataegus barrettiana Sarg. Synonym M TRO
Crataegus barryana Sarg. Unresolved L TRO
Crataegus basilica Beadle Synonym M TRO
Crataegus basilica var. viridimontana (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus baxteri Sarg. Unresolved L TRO
Crataegus beata Sarg. Unresolved L TRO
Crataegus beata var. opulens (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus beckerana Pojark. Synonym M TRO
Crataegus beckiana Sarg. Unresolved L TRO
Crataegus beckwithiae Sarg. Synonym M TRO
Crataegus bedfordensis Sarg. Unresolved L TRO
Crataegus beipiaogensis S.L. Tung & X.J. Tian Synonym M TRO
Crataegus bella Sarg. Unresolved L TRO
Crataegus bellatula Sarg. Unresolved L TRO
Crataegus bellica Sarg. Unresolved L TRO
Crataegus bellula Sarg. Synonym M TRO
Crataegus benigna Sarg. Unresolved L TRO
Crataegus berberifolia Torr. & A. Gray Unresolved L TRO
Crataegus berberifolia var. engelmannii (Sarg.) Eggl. Unresolved L TRO
Crataegus berlandieri Sarg. Unresolved L TRO
Crataegus bibas Lour. Synonym M TRO
Crataegus bicknellii (Eggl.) Eggl. Synonym M TRO
Crataegus bicolor Ashe Unresolved L TRO
Crataegus biloba H. Lév. Synonym M TRO
Crataegus biltmoreana Beadle Unresolved L TRO
Crataegus biltmoreana var. stonei (Sarg.) Kruschke Unresolved L TRO
Crataegus bissellii Sarg. Synonym M TRO
Crataegus blairensis Sarg. Unresolved L TRO
Crataegus blanchardii Sarg. Synonym M TRO
Crataegus blanda Sarg. Unresolved L TRO
Crataegus blandita Sarg. Unresolved L TRO
Crataegus blothra Laughlin Synonym M TRO
Crataegus bodinieri H. Lév. Synonym M TRO
Crataegus boothiana Sarg. Unresolved L TRO
Crataegus boyntonii Beadle Synonym M TRO
Crataegus brachyacantha Sarg. & Engelm. Unresolved L TRO
Crataegus brachyloba Sarg. Unresolved L TRO
Crataegus brachyphylla Sarg. Unresolved L TRO
Crataegus brachypoda Sarg. Synonym M TRO
Crataegus bracteata Sarg. Synonym M TRO
Crataegus bracteolaris Gand. Unresolved L TRO
Crataegus brainerdii Sarg. Unresolved L TRO
Crataegus brainerdii var. asperifolia (Sarg.) Eggl. Synonym L TRO
Crataegus brainerdii var. cyclophylla (Sarg.) E.J. Palmer Synonym L TRO
Crataegus brainerdii var. egglestonii (Sarg.) B.L. Rob. Synonym L TRO
Crataegus brainerdii var. kennedyi (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus brainerdii var. scabrida (Sarg.) Eggl. Unresolved L TRO
Crataegus brazoria Sarg. Unresolved L TRO
Crataegus brazoria var. viburnifolia (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus brevipedicellata Ashe Unresolved L TRO
Crataegus bristolensis Sarg. Unresolved L TRO
Crataegus brittonii Eggl. Unresolved L TRO
Crataegus brockwayae Sarg. Unresolved L TRO
Crataegus bronxensis Sarg. Unresolved L TRO
Crataegus brownietta Sarg. Synonym M TRO
Crataegus brownii Britton Synonym M TRO
Crataegus brumalis Ashe Synonym M TRO
Crataegus brunetiana Sarg. Synonym M TRO
Crataegus brunetiana var. fernaldii (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus buckleyi Beadle Unresolved L TRO
Crataegus burkeana Sarg. Unresolved L TRO
Crataegus bushii Sarg. Unresolved L TRO
Crataegus caerulescens Sarg. Synonym M TRO
Crataegus caesa Ashe Synonym M TRO
Crataegus caesariata Sarg. Synonym M TRO
Crataegus caliciglabra Schuette Unresolved L TRO
Crataegus calliantha Sarg. Unresolved L TRO
Crataegus callicarpa Sarg. Unresolved L TRO
Crataegus callida Beadle Unresolved L TRO
Crataegus callista Sarg. Unresolved L TRO
Crataegus calophylla Sarg. Unresolved L TRO
Crataegus calpodendron (Ehrh.) Medik. Accepted M TRO
Crataegus calpodendron var. globosa (Sarg.) E.J. Palmer Accepted L TRO
Crataegus calpodendron var. hispidula (Sarg.) E.J. Palmer Accepted L TRO
Crataegus calpodendron var. microcarpa (Chapm.) E.J. Palmer Accepted L TRO
Crataegus calpodendron var. mollicula (Sarg.) E.J. Palmer Accepted L TRO
Crataegus calpodendron var. obesa (Ashe) E.J. Palmer Accepted L TRO
Crataegus calva Beadle Unresolved L TRO
Crataegus calvescens Sarg. Unresolved L TRO
Crataegus calvinii Sarg. Unresolved L TRO
Crataegus × calycina Peterm. Unresolved L TRO
Crataegus calycina subsp. curvisepala Franco Synonym L TRO
Crataegus campestris Britton Unresolved L TRO
Crataegus canadensis Sarg. Unresolved L TRO
Crataegus canbyi Sarg. Unresolved L TRO
Crataegus candens Sarg. Unresolved L TRO
Crataegus carnosa Ashe Unresolved L TRO
Crataegus carrollensis Sarg. Unresolved L TRO
Crataegus castlegarensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus catawbiensis Ashe Unresolved L TRO
Crataegus caucasica C. Koch Unresolved L TRO
Crataegus cavaleriei H. Lév. & Vaniot Synonym M TRO
Crataegus cavaleriei H. Lév. Synonym M TRO
Crataegus celsa Sarg. Synonym M TRO
Crataegus cerasina Sarg. Unresolved L TRO
Crataegus cerasoides Sarg. Synonym M TRO
Crataegus ceratocarpa Kossych Unresolved L TRO
Crataegus cernua Ashe Unresolved L TRO
Crataegus cerronis A. Nelson Unresolved L TRO
Crataegus × chadsfordiana Sarg. Unresolved L TRO
Crataegus champlainensis Sarg. Unresolved L TRO
Crataegus chantcha H. Lév. Synonym M TRO
Crataegus chapmanii (Beadle) Ashe Accepted M TRO
Crataegus chateaugayensis Sarg. Unresolved L TRO
Crataegus cherokeensis Sarg. Unresolved L TRO
Crataegus chippewaensis Sarg. Synonym M TRO
Crataegus chitaensis Sarg. Synonym M TRO
Crataegus chlorocarpa Lenne & C. Koch Accepted M TRO
Crataegus chlorosarca Maxim. Accepted M TRO
Crataegus choriophylla Sarg. Unresolved L TRO
Crataegus chrysocarpa Ashe Synonym M TRO
Crataegus chrysocarpa var. aboriginum (Sarg.) Kruschke Unresolved L TRO
Crataegus chrysocarpa var. bicknellii (Eggl.) E.J. Palmer Unresolved L TRO
Crataegus chrysocarpa var. blanchardii (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus chrysocarpa var. caesariata (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus chrysocarpa var. dodgei (Ashe) E.J. Palmer Unresolved L TRO
Crataegus chrysocarpa var. faxonii (Sarg.) Eggl. Unresolved L TRO
Crataegus chrysocarpa var. piperi (Britton) Kruschke Unresolved L TRO
Crataegus chrysocarpa var. praecox (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus chrysocarpa f. rubescens (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus chrysocarpa var. subrotundifolia (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus chungtienensis W.W. Sm. Accepted M TRO
Crataegus cibaria Beadle Unresolved L TRO
Crataegus cicur Ashe Unresolved L TRO
Crataegus clara Beadle Unresolved L TRO
Crataegus claytoniana Sarg. Unresolved L TRO
Crataegus clintoniana Sarg. Unresolved L TRO
Crataegus coccinata Sarg. Unresolved L TRO
Crataegus coccinea L. Synonym M TRO
Crataegus coccinea var. flabellata (Bosc ex Spach) Britton Synonym L TRO
Crataegus coccinea var. fulleriana (Sarg.) Kruschke Unresolved L TRO
Crataegus coccinea var. pringlei (Sarg.) J.A. Macklin & J.B. Phipps Unresolved L TRO
Crataegus coccinioides Ashe Unresolved L TRO
Crataegus coccinioides var. dilatata (Sarg.) Eggl. Unresolved L TRO
Crataegus cocksii Sarg. Unresolved L TRO
Crataegus coerulea Sarg. Unresolved L TRO
Crataegus cognata Sarg. Synonym M TRO
Crataegus colchica Grossh. Synonym M TRO
Crataegus coleae Sarg. Unresolved L TRO
Crataegus collicola Ashe Synonym M TRO
Crataegus collina Chapm. Unresolved L TRO
Crataegus collina var. collicola (Ashe) E.J. Palmer Unresolved L TRO
Crataegus collina var. hirtiflora (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus collina var. lettermanii (Sarg.) Eggl. Unresolved L TRO
Crataegus collina var. secta (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus collina var. sordida (Sarg.) Eggl. Synonym L TRO
Crataegus collina var. sordida (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus collina var. succincta (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus colonica Beadle Unresolved L TRO
Crataegus coloradensis A. Nelson Unresolved L TRO
Crataegus colorado Ashe Synonym M TRO
Crataegus colorata Sarg. Unresolved L TRO
Crataegus columbiana Howell Unresolved L TRO
Crataegus columbiana Sarg. Unresolved L TRO
Crataegus columbiana var. brunetiana (Sarg.) Eggl. Synonym L TRO
Crataegus columbiana var. chrysocarpa (Ashe) Dorn Unresolved L TRO
Crataegus columbiana var. occidentalis (Britton) Dorn Unresolved L TRO
Crataegus columbiana var. piperi (Britton) Eggl. Synonym L TRO
Crataegus comans Sarg. Unresolved L TRO
Crataegus communis Beadle Unresolved L TRO
Crataegus compacta Sarg. Unresolved L TRO
Crataegus comparata Sarg. Unresolved L TRO
Crataegus compitalis Beadle Unresolved L TRO
Crataegus compta Sarg. Unresolved L TRO
Crataegus concinna Beadle Unresolved L TRO
Crataegus condigna Beadle Unresolved L TRO
Crataegus conferta Sarg. Unresolved L TRO
Crataegus confinis Sarg. Unresolved L TRO
Crataegus confragosa Sarg. Unresolved L TRO
Crataegus confusa Sarg. Unresolved L TRO
Crataegus congestiflora Sarg. Unresolved L TRO
Crataegus conjuncta Sarg. Synonym M TRO
Crataegus conjungens Sarg. Unresolved L TRO
Crataegus consanguinea Beadle Unresolved L TRO
Crataegus conspecta Sarg. Unresolved L TRO
Crataegus conspicua Sarg. Unresolved L TRO
Crataegus constans Beadle Unresolved L TRO
Crataegus consueta Sarg. Unresolved L TRO
Crataegus contigua Sarg. Unresolved L TRO
Crataegus contortifolia Sarg. Unresolved L TRO
Crataegus contortula Sarg. Unresolved L TRO
Crataegus contrita Beadle Unresolved L TRO
Crataegus cordata (Mill.) Aiton Accepted M TRO
Crataegus coreana H. Lév. Synonym M TRO
Crataegus cornellii Sarg. Unresolved L TRO
Crataegus corporea Sarg. Unresolved L TRO
Crataegus × corusca Sarg. Unresolved L TRO
Crataegus corusca f. blothra (Laughlin) Kruschke Unresolved L TRO
Crataegus corusca var. hillii (Sarg.) Kruschke Unresolved L TRO
Crataegus crassa Ashe Unresolved L TRO
Crataegus crassifolia Sarg. Unresolved L TRO
Crataegus crawfordiana Sarg. Unresolved L TRO
Crataegus craytonii Beadle Unresolved L TRO
Crataegus crenulata (D. Don) Roxb. Synonym M TRO
Crataegus cristata Ashe Unresolved L TRO
Crataegus crocata Ashe Unresolved L TRO
Crataegus crocea Beadle Unresolved L TRO
Crataegus crocina Beadle Unresolved L TRO
Crataegus croomiana Sarg. Unresolved L TRO
Crataegus cruda Sarg. Unresolved L TRO
Crataegus crudelis Sarg. Unresolved L TRO
Crataegus cruenta Ashe Unresolved L TRO
Crataegus crus-galli L. Accepted M TRO
Crataegus crus-galli var. barrettiana (Sarg.) E.J. Palmer Accepted L TRO
Crataegus crus-galli var. danielsii (E.J. Palmer) Rickett Accepted L TRO
Crataegus crus-galli var. exigua (Sarg.) Eggl. Accepted L TRO
Crataegus crus-galli var. leptophylla (Sarg.) E.J. Palmer Accepted L TRO
Crataegus crus-galli f. oblongata (Sarg.) E.J. Palmer Accepted L TRO
Crataegus crus-galli var. oblongata Sarg. Synonym L TRO
Crataegus crus-galli var. regalis (Beadle) J.B. Phipps Accepted L TRO
Crataegus crus-galli f. rubens (Sarg.) E.J. Palmer Accepted L TRO
Crataegus crus-galli var. rubens Sarg. Synonym L TRO
Crataegus crus-galli f. truncata (Sarg.) E.J. Palmer Accepted L TRO
Crataegus crux Ashe Unresolved L TRO
Crataegus cullasagensis Ashe Unresolved L TRO
Crataegus culta Sarg. Unresolved L TRO
Crataegus cuneata Siebold & Zucc. Accepted M TRO
Crataegus cuneata var. cuneata Accepted L TRO
Crataegus cuneata f. pleniflora S.X. Qian Synonym L TRO
Crataegus cuneata var. shangnanensis L. Mao & T.C. Cui Synonym L TRO
Crataegus cuneata var. tangchungchangii (F.P. Metcalf) T.C. Ku & Spongberg Accepted L TRO
Crataegus cuneata f. tangchungchangii (F.P. Metcalf) Y.T. Chang Synonym L TRO
Crataegus cuneiformis (Marshall) Eggl. Accepted M TRO
Crataegus cuprea Sarg. Unresolved L TRO
Crataegus cupressocollina J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus cuprina J.B. Phipps Accepted M TRO
Crataegus cupulifera Sarg. Unresolved L TRO
Crataegus × curonica Cinovskis. Unresolved L TRO
Crataegus curva Beadle Unresolved L TRO
Crataegus curvisepala Lindm. Accepted M TRO
Crataegus curvisepala subsp. lindmanii Byatt Synonym L TRO
Crataegus cuspidata Spach Synonym M TRO
Crataegus cuthbertii Ashe Unresolved L TRO
Crataegus cyanophylla Sarg. Synonym M TRO
Crataegus cyclophylla Sarg. Synonym M TRO
Crataegus cydonia Gruber Unresolved L TRO
Crataegus dacrioidea Sarg. Unresolved L TRO
Crataegus dahurica Koehne ex C.K. Schneid. Accepted M TRO
Crataegus dahurica var. dahurica Accepted L TRO
Crataegus dahurica var. laevicalyx (J.X. Huang, L.Y. Sun & T.J. Feng) T.C. Ku & Spongberg Accepted L TRO
Crataegus dallasiana Sarg. Unresolved L TRO
Crataegus danielsii E.J. Palmer Synonym M TRO
Crataegus dapsilis Beadle Unresolved L TRO
Crataegus darvasica Pojark. Synonym M TRO
Crataegus dasyphylla Sarg. Unresolved L TRO
Crataegus davisii Sarg. Unresolved L TRO
Crataegus dawsoniana Sarg. Unresolved L TRO
Crataegus dayana Sarg. Unresolved L TRO
Crataegus debilis Sarg. Unresolved L TRO
Crataegus decens Ashe Unresolved L TRO
Crataegus declivitatis Sarg. Unresolved L TRO
Crataegus decora Ashe Unresolved L TRO
Crataegus delawarensis Sarg. Synonym M TRO
Crataegus delecta Sarg. Unresolved L TRO
Crataegus delectabilis Sarg. Unresolved L TRO
Crataegus delectata Sarg. Unresolved L TRO
Crataegus delosii Sarg. Unresolved L TRO
Crataegus deltoides Ashe Unresolved L TRO
Crataegus delucida Sarg. Unresolved L TRO
Crataegus demissa Sarg. Synonym M TRO
Crataegus denaria Beadle Unresolved L TRO
Crataegus × densiflora Sarg. Unresolved L TRO
Crataegus densiflora Desf. ex K. Koch Unresolved L TRO
Crataegus denudata Sarg. Unresolved L TRO
Crataegus depilis Sarg. Unresolved L TRO
Crataegus depressa C. Presl Unresolved L TRO
Crataegus depressa Ashe Unresolved L TRO
Crataegus desertorum Sarg. Unresolved L TRO
Crataegus × desueta Sarg. Unresolved L TRO
Crataegus detectabilis Sarg. Unresolved L TRO
Crataegus deweyana Sarg. Unresolved L TRO
Crataegus dewingii Sarg. Unresolved L TRO
Crataegus diaphora Sarg. Unresolved L TRO
Crataegus diffusa Sarg. Synonym M TRO
Crataegus dilatata Sarg. Synonym M TRO
Crataegus dipyrena Pojark. Unresolved L TRO
Crataegus discolor Sarg. Synonym M TRO
Crataegus disjuncta Sarg. Unresolved L TRO
Crataegus dispar Beadle Unresolved L TRO
Crataegus × disperma Ashe Unresolved L TRO
Crataegus disperma var. peoriensis (Sarg.) Kruschke Unresolved L TRO
Crataegus dispessa Ashe Unresolved L TRO
Crataegus dissimilis Sarg. Unresolved L TRO
Crataegus dissociabilis Sarg. Unresolved L TRO
Crataegus dissona Sarg. Synonym M TRO
Crataegus dissona var. bellula (Sarg.) Kruschke Unresolved L TRO
Crataegus distincta Kruschke Unresolved L TRO
Crataegus divergens (Peck) Sarg. Accepted M TRO
Crataegus diversa Sarg. Unresolved L TRO
Crataegus divida Sarg. Synonym M TRO
Crataegus divisifolia Sarg. Unresolved L TRO
Crataegus dodgei Ashe Synonym M TRO
Crataegus dodgei var. lumaria (Ashe) Sarg. Unresolved L TRO
Crataegus dodgei var. rotundata (Sarg.) Kruschke Unresolved L TRO
Crataegus dolosa Beadle Unresolved L TRO
Crataegus douglasii Lindl. Unresolved L TRO
Crataegus douglasii var. suksdorfii Sarg. Synonym L TRO
Crataegus drymopila Sarg. Unresolved L TRO
Crataegus dshungarica Zab. Synonym M TRO
Crataegus dumetosa Sarg. Synonym M TRO
Crataegus dumicola Sarg. Unresolved L TRO
Crataegus dunbarii Sarg. Synonym M TRO
Crataegus × dunensis Cinovskis. Unresolved L TRO
Crataegus dunmorensis Sarg. Unresolved L TRO
Crataegus duracina Sarg. Unresolved L TRO
Crataegus durifolia Ashe Unresolved L TRO
Crataegus durobrivensis Sarg. Unresolved L TRO
Crataegus × durobrivensis Unresolved L TRO
Crataegus dzhairensis Vassilcz. Unresolved L TRO
Crataegus eamesii Sarg. Unresolved L TRO
Crataegus eatoniana Sarg. Unresolved L TRO
Crataegus eburnea Ashe Unresolved L TRO
Crataegus edsonii Sarg. Unresolved L TRO
Crataegus edura Beadle Unresolved L TRO
Crataegus edurescens Sarg. Unresolved L TRO
Crataegus efferta Sarg. Unresolved L TRO
Crataegus effulgens Sarg. Unresolved L TRO
Crataegus eganii Ashe Synonym M TRO
Crataegus egens Beadle Unresolved L TRO
Crataegus eggertii Britton Unresolved L TRO
Crataegus egglestonii Sarg. Synonym M TRO
Crataegus egregia Beadle Unresolved L TRO
Crataegus ellipticifolia Sarg. Unresolved L TRO
Crataegus ellwangeriana Sarg. Synonym M TRO
Crataegus elongata Sarg. Unresolved L TRO
Crataegus emersoniana Sarg. Unresolved L TRO
Crataegus enderbyensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus engelmannii Sarg. Synonym M TRO
Crataegus engelmannii var. sinistra (Beadle) E.J. Palmer Unresolved L TRO
Crataegus ensifera Sarg. Unresolved L TRO
Crataegus enucleata Sarg. Unresolved L TRO
Crataegus erecta Sarg. Unresolved L TRO
Crataegus eriantha Pojark. Unresolved L TRO
Crataegus errata Sarg. Unresolved L TRO
Crataegus erubescens Sarg. Unresolved L TRO
Crataegus erythropoda Ashe Unresolved L TRO
Crataegus escalloniifolia Schltdl. Synonym M TRO
Crataegus × estonica Cinovskis. Unresolved L TRO
Crataegus evansiana Sarg. Unresolved L TRO
Crataegus exclusa Sarg. Synonym M TRO
Crataegus exigua Sarg. Synonym M TRO
Crataegus exilis Beadle Unresolved L TRO
Crataegus eximia Beadle Unresolved L TRO
Crataegus exornata Sarg. Unresolved L TRO
Crataegus extraria Beadle Unresolved L TRO
Crataegus fallacina Klokov Unresolved L TRO
Crataegus fallax Ashe Unresolved L TRO
Crataegus fallens Gruber Unresolved L TRO
Crataegus fastosa Sarg. Unresolved L TRO
Crataegus faxonii Sarg. Synonym M TRO
Crataegus faxonii var. praetermissa (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus fecunda Sarg. Unresolved L TRO
Crataegus felix Sarg. Unresolved L TRO
Crataegus fennica Kalm Unresolved L TRO
Crataegus fera Beadle Unresolved L TRO
Crataegus ferentaria Sarg. Unresolved L TRO
Crataegus ferganensis Pojark. Unresolved L TRO
Crataegus fernaldii Sarg. Synonym M TRO
Crataegus ferox Sarg. Unresolved L TRO
Crataegus ferrissii Ashe Synonym M TRO
Crataegus ferruginea Pers. Synonym M TRO
Crataegus ferta Sarg. Unresolved L TRO
Crataegus fertilis Sarg. Unresolved L TRO
Crataegus festiva Sarg. Unresolved L TRO
Crataegus filipes Ashe Unresolved L TRO
Crataegus finitima Sarg. Unresolved L TRO
Crataegus fischeri C.K. Schneid. Synonym M TRO
Crataegus flabellata (Bosc ex Spach) Rydb. Accepted M TRO
Crataegus flabellata var. grayana (Eggl.) E.J. Palmer Accepted L TRO
Crataegus flagrans Sarg. Unresolved L TRO
Crataegus flammata Sarg. Unresolved L TRO
Crataegus flammea Sarg. Unresolved L TRO
Crataegus flava Aiton Synonym M TRO
Crataegus flava var. integra Nash Synonym L TRO
Crataegus flavida Sarg. Unresolved L TRO
Crataegus flavocarnis Ashe Unresolved L TRO
Crataegus florea Sarg. Unresolved L TRO
Crataegus florens Beadle Unresolved L TRO
Crataegus floridana Sarg. Unresolved L TRO
Crataegus floridula Sarg. Unresolved L TRO
Crataegus florifera Sarg. Unresolved L TRO
Crataegus florifera var. celsa (Sarg.) Kruschke Unresolved L TRO
Crataegus florifera var. mortonis (Laughlin) Kruschke Unresolved L TRO
Crataegus florifera var. shirleyensis (Sarg.) Kruschke Unresolved L TRO
Crataegus florifera var. virilis (Sarg.) Kruschke Unresolved L TRO
Crataegus fluviatalis Sarg. Synonym M TRO
Crataegus foetida Ashe Unresolved L TRO
Crataegus foliata Sarg. Unresolved L TRO
Crataegus fontanesiana Steud. Unresolved L TRO
Crataegus forbesiae Sarg. Unresolved L TRO
Crataegus × formosa Sarg. Unresolved L TRO
Crataegus fortis Beadle Unresolved L TRO
Crataegus fortunata Sarg. Synonym M TRO
Crataegus franklinensis Sarg. Unresolved L TRO
Crataegus × fretalis Sarg. Unresolved L TRO
Crataegus fructuosa Sarg. Unresolved L TRO
Crataegus frugalis Beadle Unresolved L TRO
Crataegus frugiferens Beadle Unresolved L TRO
Crataegus frutescens Sarg. Unresolved L TRO
Crataegus fruticosa Sarg. Unresolved L TRO
Crataegus fucosa Sarg. Unresolved L TRO
Crataegus fulgens Sarg. Unresolved L TRO
Crataegus fulgida Sarg. Unresolved L TRO
Crataegus fulleriana Sarg. Synonym M TRO
Crataegus fulleriana var. chippewaensis (Sarg.) Kruschke Unresolved L TRO
Crataegus fulleriana f. magniflora (Sarg.) Kruschke Synonym L TRO
Crataegus fulleriana var. magniflora (Sarg.) J.S. Pringle Unresolved L TRO
Crataegus fulleriana var. miranda (Sarg.) Kruschke Unresolved L TRO
Crataegus furcata Sarg. Unresolved L TRO
Crataegus furtiva Beadle Unresolved L TRO
Crataegus fusca Sarg. Unresolved L TRO
Crataegus galbana Beadle Unresolved L TRO
Crataegus gattingeri Ashe Unresolved L TRO
Crataegus gaudens Sarg. Unresolved L TRO
Crataegus gaultii Sarg. Unresolved L TRO
Crataegus gaylussacia A. Heller Unresolved L TRO
Crataegus gemmosa Sarg. Synonym M TRO
Crataegus geneseensis Sarg. Unresolved L TRO
Crataegus genialis Sarg. Unresolved L TRO
Crataegus geniculata Ashe Unresolved L TRO
Crataegus georgiana Sarg. Synonym M TRO
Crataegus gilva Beadle Unresolved L TRO
Crataegus glabra Thunb. Synonym M TRO
Crataegus glabrata Sarg. Unresolved L TRO
Crataegus glabrifolia Sarg. Synonym M TRO
Crataegus glabriuscula Sarg. Synonym M TRO
Crataegus glandulosa Michx. Unresolved L TRO
Crataegus glandulosa Aiton Unresolved L TRO
Crataegus × glareosa Ashe Unresolved L TRO
Crataegus glauca Wall. ex G. Don Synonym M TRO
Crataegus glaucophylla Sarg. Unresolved L TRO
Crataegus globirimosa Murrill Unresolved L TRO
Crataegus globosa Sarg. Synonym M TRO
Crataegus gloriosa Sarg. Synonym M TRO
Crataegus gracilior J.B. Phipps Accepted M TRO
Crataegus gracilipes Sarg. Unresolved L TRO
Crataegus × gracilis Cinoskis. Unresolved L TRO
Crataegus gracilis Sarg. Unresolved L TRO
Crataegus grandifolia J.B. Phipps Accepted M TRO
Crataegus grandis Ashe Unresolved L TRO
Crataegus gratiosa Sarg. Unresolved L TRO
Crataegus gravesii Sarg. Unresolved L TRO
Crataegus gravida Beadle Unresolved L TRO
Crataegus gravis Ashe Unresolved L TRO
Crataegus grayana Eggl. Synonym M TRO
Crataegus greggiana Eggl. Accepted M TRO
Crataegus grossa Sarg. Unresolved L TRO
Crataegus gruberi Ashe Unresolved L TRO
Crataegus habereri Sarg. Unresolved L TRO
Crataegus habilis Ashe Unresolved L TRO
Crataegus hadleyana Sarg. Synonym M TRO
Crataegus haemacarpa Ashe Unresolved L TRO
Crataegus × haemocarpa Ashe Unresolved L TRO
Crataegus halliana Sarg. Unresolved L TRO
Crataegus hamata Sarg. Unresolved L TRO
Crataegus handyae Sarg. Unresolved L TRO
Crataegus hannibalensis E.J. Palmer Unresolved L TRO
Crataegus harbisonii Beadle Unresolved L TRO
Crataegus hargeri Sarg. Unresolved L TRO
Crataegus harryi Sarg. Synonym M TRO
Crataegus harveyana Sarg. Unresolved L TRO
Crataegus heidelbergensis Sarg. Synonym M TRO
Crataegus helderbergensis Sarg. Unresolved L TRO
Crataegus helenae Grynj & Klok. Synonym M TRO
Crataegus helenolae Grynj & Klok. Accepted M TRO
Crataegus helvina Ashe Unresolved L TRO
Crataegus henryi Dunn Synonym M TRO
Crataegus heterodonta Pojark. Unresolved L TRO
Crataegus hiemalis Lange Unresolved L TRO
Crataegus hillii Sarg. Synonym M TRO
Crataegus hirtella Sarg. Unresolved L TRO
Crataegus hirtiflora Sarg. Synonym M TRO
Crataegus hispidula Sarg. Synonym M TRO
Crataegus hissarica Pojark. Unresolved L TRO
Crataegus holmesiana Ashe Unresolved L TRO
Crataegus holmesiana var. amicta (Ashe) E.J. Palmer Unresolved L TRO
Crataegus holmesiana var. chippewaensis (Sarg.) E.J. Palmer Synonym L TRO
Crataegus holmesiana var. magniflora (Sarg.) E.J. Palmer Synonym L TRO
Crataegus holmesiana var. tardipes (Sarg.) Sarg. Unresolved L TRO
Crataegus honeoyensis Sarg. Unresolved L TRO
Crataegus honesta Sarg. Synonym M TRO
Crataegus horridula Sarg. Unresolved L TRO
Crataegus horseyi E.J. Palmer Unresolved L TRO
Crataegus howeana Sarg. Unresolved L TRO
Crataegus hudsonica Sarg. Unresolved L TRO
Crataegus hupehensis Sarg. Accepted M TRO
Crataegus hupehensis var. flavida S.Y. Wang Synonym L TRO
Crataegus hypolasia K. Koch Synonym M TRO
Crataegus hystricina Ashe Unresolved L TRO
Crataegus × ideae Sarg. Unresolved L TRO
Crataegus ignava Beadle Unresolved L TRO
Crataegus ignava Sarg. Unresolved L TRO
Crataegus × illecebrosa Sarg. Unresolved L TRO
Crataegus illinoiensis Ashe Unresolved L TRO
Crataegus illudens Beadle Unresolved L TRO
Crataegus illuminata Sarg. Unresolved L TRO
Crataegus illustris Beadle Unresolved L TRO
Crataegus × immanis Ashe Unresolved L TRO
Crataegus immitis Ashe Unresolved L TRO
Crataegus impar Beadle Unresolved L TRO
Crataegus impervia Sarg. Unresolved L TRO
Crataegus implicata Sarg. Unresolved L TRO
Crataegus improvisa Sarg. Synonym M TRO
Crataegus inanis Beadle Unresolved L TRO
Crataegus inaudita Sarg. Unresolved L TRO
Crataegus × incaedua Sarg. Unresolved L TRO
Crataegus incana Beadle Unresolved L TRO
Crataegus incilis Beadle Unresolved L TRO
Crataegus incisa Sarg. Unresolved L TRO
Crataegus incompta Sarg. Unresolved L TRO
Crataegus indica L. Synonym M TRO
Crataegus indicens Ashe Unresolved L TRO
Crataegus indigens Ashe Unresolved L TRO
Crataegus inducta Ashe Unresolved L TRO
Crataegus inermis Sessé & Moc. Synonym M TRO
Crataegus infensa Sarg. Unresolved L TRO
Crataegus infesta Sarg. Unresolved L TRO
Crataegus ingens Beadle Unresolved L TRO
Crataegus inopina Beadle Unresolved L TRO
Crataegus inopinata Sarg. Unresolved L TRO
Crataegus inops Beadle Unresolved L TRO
Crataegus insidiosa Beadle Unresolved L TRO
Crataegus insignata Sarg. Unresolved L TRO
Crataegus insignis Sarg. Synonym M TRO
Crataegus insolens Sarg. Synonym M TRO
Crataegus insolita Sarg. Unresolved L TRO
Crataegus insperata Sarg. Unresolved L TRO
Crataegus insularis Cinovskis Synonym M TRO
Crataegus integra (Nash) Beadle Accepted M TRO
Crataegus integrifolia (Roxb.) G. Klotz Synonym M TRO
Crataegus integrifolius Roxb. Synonym M TRO
Crataegus integriloba Sarg. Synonym M TRO
Crataegus interior Beadle Unresolved L TRO
Crataegus intermixta Beck Unresolved L TRO
Crataegus × intermixta 8757+(pro sp.)+ Unresolved L TRO
Crataegus intermixta Sarg. Unresolved L TRO
Crataegus intricata Lange Unresolved L TRO
Crataegus intricata var. boyntonii (Beadle) Kruschke Unresolved L TRO
Crataegus intricata f. fortunata (Sarg.) Kruschke Unresolved L TRO
Crataegus intricata var. neobushii (Sarg.) Kruschke Unresolved L TRO
Crataegus intricata var. rubella (Beadle) Kruschke Unresolved L TRO
Crataegus intricata var. straminea (Beadle) E.J. Palmer Synonym L TRO
Crataegus intricata f. straminea (Beadle) Kruschke Unresolved L TRO
Crataegus inusitula Sarg. Unresolved L TRO
Crataegus invicta Beadle Unresolved L TRO
Crataegus invisa Sarg. Unresolved L TRO
Crataegus iracunda Beadle Unresolved L TRO
Crataegus iracunda var. brumalis (Ashe) Kruschke Unresolved L TRO
Crataegus iracunda var. diffusa (Sarg.) Kruschke Unresolved L TRO
Crataegus iracunda var. populnea (Ashe) Jafar Unresolved L TRO
Crataegus iracunda var. stolonifera (Sarg.) Kruschke Unresolved L TRO
Crataegus irrasa Sarg. Unresolved L TRO
Crataegus irrasa var. blanchardii (Sarg.) Eggl. Synonym L TRO
Crataegus irrasa var. divergens Peck Synonym L TRO
Crataegus isfajramensis Pachom. Unresolved L TRO
Crataegus iterata Sarg. Unresolved L TRO
Crataegus jackii Sarg. Unresolved L TRO
Crataegus jasperensis Sarg. Unresolved L TRO
Crataegus jenningsii Sarg. Unresolved L TRO
Crataegus jesupii Sarg. Unresolved L TRO
Crataegus johnstonii J.B. Phipps Accepted M TRO
Crataegus jonesiae Sarg. Unresolved L TRO
Crataegus jonesiae var. brownietta (Sarg.) Kruschke Unresolved L TRO
Crataegus jonesiae var. harryi (Sarg.) Kruschke Unresolved L TRO
Crataegus jozana C.K. Schneid. Unresolved L TRO
Crataegus kansuensis E.H. Wilson Accepted M TRO
Crataegus karadaghensis Pojark. Unresolved L TRO
Crataegus keepii Sarg. Unresolved L TRO
Crataegus × kellermanii Sarg. Unresolved L TRO
Crataegus × kelloggii Sarg. Unresolved L TRO
Crataegus kennedyi Sarg. Synonym M TRO
Crataegus × kingstonensis Sarg. Unresolved L TRO
Crataegus kinzerae Sarg. Unresolved L TRO
Crataegus klokovii Ivaschin Unresolved L TRO
Crataegus × knieskerniana Sarg. Unresolved L TRO
Crataegus knorringiana Pojark. Unresolved L TRO
Crataegus komarovii Sarg. Synonym M TRO
Crataegus korolkowii L. Henry Accepted M TRO
Crataegus kulingensis Sarg. Synonym M TRO
Crataegus × kupfferi Cinovskis. Unresolved L TRO
Crataegus kyrtostyla auct. Synonym M TRO
Crataegus lacera Sarg. Unresolved L TRO
Crataegus laciniata Ucria Unresolved L TRO
Crataegus laciniata subsp. pojarkovae Franco Synonym L TRO
Crataegus lacrimata Small Unresolved L TRO
Crataegus laetans Sarg. Unresolved L TRO
Crataegus × laetifica Sarg. Unresolved L TRO
Crataegus laetula Sarg. Unresolved L TRO
Crataegus laevicalyx J.X. Huang, L.Y. Sun & T.J. Feng Synonym M TRO
Crataegus laevigata (Poir.) DC. Accepted M TRO
Crataegus lanata Beadle Unresolved L TRO
Crataegus lancei J.B. Phipps Unresolved L TRO
Crataegus lanceolata Sarg. Synonym M TRO
Crataegus × laneyi Sarg. Unresolved L TRO
Crataegus lanigera Sarg. Unresolved L TRO
Crataegus lanuginosa Sarg. Unresolved L TRO
Crataegus lasiantha Sarg. Unresolved L TRO
Crataegus lassa Beadle Unresolved L TRO
Crataegus × latebrosa 8757+(pro sp.)+ Unresolved L TRO
Crataegus latebrosa Sarg. Unresolved L TRO
Crataegus latifrons Sarg. Unresolved L TRO
Crataegus latisepala Ashe Synonym M TRO
Crataegus × laurentiana Sarg. Unresolved L TRO
Crataegus laurentiana var. brunetiana (Sarg.) Kruschke Unresolved L TRO
Crataegus lauta Sarg. Unresolved L TRO
Crataegus × lawrencensis 8757+(pro sp.)+ Unresolved L TRO
Crataegus lawrencensis Sarg. Unresolved L TRO
Crataegus laxa Beadle Unresolved L TRO
Crataegus laxiflora Sarg. Synonym M TRO
Crataegus leimonia Sarg. Unresolved L TRO
Crataegus leioclada Sarg. Unresolved L TRO
Crataegus leiomonogyna Klokov Accepted M TRO
Crataegus leiophylla Sarg. Synonym M TRO
Crataegus leiophylla var. maineana (Sarg.) Eggl. Unresolved L TRO
Crataegus lemingtonensis Sarg. Unresolved L TRO
Crataegus lenis Beadle Unresolved L TRO
Crataegus lennoniana Sarg. Unresolved L TRO
Crataegus lenta Ashe Unresolved L TRO
Crataegus lentula Ashe Unresolved L TRO
Crataegus leonensis E.J. Palmer Unresolved L TRO
Crataegus lepida Beadle Unresolved L TRO
Crataegus leptalea Sarg. Unresolved L TRO
Crataegus leptophylla Sarg. Synonym M TRO
Crataegus leptopoda Sarg. Unresolved L TRO
Crataegus letchworthiana Sarg. Unresolved L TRO
Crataegus lettermanii Sarg. Synonym M TRO
Crataegus leucantha Laughlin Unresolved L TRO
Crataegus levis Sarg. Unresolved L TRO
Crataegus limata Beadle Unresolved L TRO
Crataegus limatula Sarg. Synonym M TRO
Crataegus limnophila Sarg. Unresolved L TRO
Crataegus limnophiloides Murrill Unresolved L TRO
Crataegus limosa Sarg. Unresolved L TRO
Crataegus lindmanii Hrab.-Uhr. Accepted M TRO
Crataegus lipskyi Klokov Unresolved L TRO
Crataegus × littoralis Sarg. Unresolved L TRO
Crataegus livingstoniana Sarg. Unresolved L TRO
Crataegus livoniana Sarg. Unresolved L TRO
Crataegus lobulata Sarg. Synonym M TRO
Crataegus × locuples Sarg. Unresolved L TRO
Crataegus longipedunculata Sarg. Unresolved L TRO
Crataegus longispina Sarg. Unresolved L TRO
Crataegus × lucorum Sarg. Unresolved L TRO
Crataegus lucorum var. insolens (Sarg.) Eggl. Unresolved L TRO
Crataegus luculenta Sarg. Synonym M TRO
Crataegus ludoviciensis Sarg. Unresolved L TRO
Crataegus lumaria Ashe Synonym M TRO
Crataegus luminosa Sarg. Unresolved L TRO
Crataegus lutensis Sarg. Synonym M TRO
Crataegus luteola Sarg. Unresolved L TRO
Crataegus luxuriosa Sarg. Unresolved L TRO
Crataegus lyi H. Lév. Synonym M TRO
Crataegus macauleyae Sarg. Unresolved L TRO
Crataegus macera Sarg. Unresolved L TRO
Crataegus macilenta Beadle Unresolved L TRO
Crataegus mackensenii Sarg. Unresolved L TRO
Crataegus mackenzii Sarg. Unresolved L TRO
Crataegus mackenzii var. aspera (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus mackenzii var. bracteata (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus macounii Sarg. Unresolved L TRO
Crataegus macra Beadle Unresolved L TRO
Crataegus macracantha Lodd. ex Loudon Synonym M TRO
Crataegus macracantha var. colorado (Ashe) Kruschke Unresolved L TRO
Crataegus macracantha var. divida (Sarg.) Kruschke Unresolved L TRO
Crataegus macracantha var. integriloba (Sarg.) Kruschke Unresolved L TRO
Crataegus macracantha var. neofluvialis (Ashe) Eggl. Synonym L TRO
Crataegus macracantha var. occidentalis (Britton) Eggl. Synonym L TRO
Crataegus macracantha var. pertomentosa (Ashe) Kruschke Unresolved L TRO
Crataegus macracantha var. rhombifolia (Sarg.) Eggl. Unresolved L TRO
Crataegus macracantha var. succulenta (Schrad. ex Link) Eggl. Synonym L TRO
Crataegus macrocalyx Sarg. Unresolved L TRO
Crataegus macrocarpa Hagetsch. Unresolved L TRO
Crataegus macrophylla Sarg. Unresolved L TRO
Crataegus macropoda Sarg. Unresolved L TRO
Crataegus macrosperma Ashe Unresolved L TRO
Crataegus macrosperma var. acutiloba (Sarg.) Eggl. Unresolved L TRO
Crataegus macrosperma var. demissa (Sarg.) Eggl. Unresolved L TRO
Crataegus macrosperma var. eganii (Ashe) Kruschke Unresolved L TRO
Crataegus macrosperma var. matura (Sarg.) Eggl. Unresolved L TRO
Crataegus macrosperma var. pastorum (Sarg.) Eggl. Unresolved L TRO
Crataegus macrosperma var. pentandra (Sarg.) Eggl. Unresolved L TRO
Crataegus macrosperma var. roanensis (Ashe) E.J. Palmer Unresolved L TRO
Crataegus magniflora Sarg. Synonym M TRO
Crataegus magnifolia Sarg. Synonym M TRO
Crataegus maineana Sarg. Synonym M TRO
Crataegus maloides Sarg. Synonym M TRO
Crataegus × mansfieldensis Sarg. Unresolved L TRO
Crataegus marcida Ashe Unresolved L TRO
Crataegus margaretta Ashe Unresolved L TRO
Crataegus margaretta var. brownii (Britton) Sarg. Unresolved L TRO
Crataegus margaretta var. meiophylla (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus mariettensis Sarg. Unresolved L TRO
Crataegus × maritima Cinovskis Synonym M TRO
Crataegus marshallii Eggl. Unresolved L TRO
Crataegus matura Sarg. Synonym M TRO
Crataegus maximowiczii C.K. Schneid. Accepted M TRO
Crataegus maximowiczii var. ninganensis S.Q. Nie & B.J. Jen Synonym L TRO
Crataegus mcgeeae Ashe Unresolved L TRO
Crataegus medioxima Sarg. Unresolved L TRO
Crataegus megapulchra Murrill Unresolved L TRO
Crataegus meiophylla Sarg. Synonym M TRO
Crataegus melanocarpa M. Bieb. Synonym M TRO
Crataegus membranacea Sarg. Synonym M TRO
Crataegus menandiana Sarg. Unresolved L TRO
Crataegus mendosa Beadle Unresolved L TRO
Crataegus mercerensis Sarg. Unresolved L TRO
Crataegus meridiana Beadle Unresolved L TRO
Crataegus meridionalis Sarg. Unresolved L TRO
Crataegus × merita Sarg. Unresolved L TRO
Crataegus meticulosa Sarg. Unresolved L TRO
Crataegus mexicana Moc. & Sessé ex DC. Accepted M TRO
Crataegus mexicana var. microsperma Eggl. Synonym L TRO
Crataegus meyeri Pojark. Unresolved L TRO
Crataegus michauxii Pers. Unresolved L TRO
Crataegus michiganensis Ashe Synonym M TRO
Crataegus microcarpa Lindl. Unresolved L TRO
Crataegus microphylla C. Koch Unresolved L TRO
Crataegus microsperma Sarg. Unresolved L TRO
Crataegus milleri Sarg. Unresolved L TRO
Crataegus miniata Ashe Unresolved L TRO
Crataegus minor Sessé & Moc. Synonym M TRO
Crataegus minutiflora Sarg. Unresolved L TRO
Crataegus mira Beadle Unresolved L TRO
Crataegus miranda Sarg. Synonym M TRO
Crataegus missouriensis Ashe Unresolved L TRO
Crataegus mitis Sarg. Unresolved L TRO
Crataegus modesta Sarg. Unresolved L TRO
Crataegus mohrii Beadle Synonym M TRO
Crataegus mollicula Sarg. Synonym M TRO
Crataegus mollis Scheele Synonym M TRO
Crataegus mollis f. dumetosa (Sarg.) E.J. Palmer Synonym L TRO
Crataegus mollis var. dumetosa (Sarg.) Kruschke Unresolved L TRO
Crataegus mollis var. sera (Sarg.) Eggl. Unresolved L TRO
Crataegus mollita Sarg. Unresolved L TRO
Crataegus monantha Sarg. Unresolved L TRO
Crataegus monogyna Jacq. Accepted M TRO
Crataegus monogyna subsp. azarella Franco Synonym L TRO
Crataegus monogyna subsp. curvisepala Soó Synonym L TRO
Crataegus monogyna subsp. leiomonogyna Franco Synonym L TRO
Crataegus monogyna var. ronnigeri K.Malý Unresolved L WCSP (in review)
Crataegus monosperma Sarg. Unresolved L TRO
Crataegus monstrata Sarg. Unresolved L TRO
Crataegus monticola Cinovskis Unresolved L TRO
Crataegus montivaga Sarg. Unresolved L TRO
Crataegus mortonis Laughlin Synonym M TRO
Crataegus moselemensis Gruber Unresolved L TRO
Crataegus multifida Ashe Unresolved L TRO
Crataegus multispina Ashe Unresolved L TRO
Crataegus munda Beadle Unresolved L TRO
Crataegus munita Sarg. Unresolved L TRO
Crataegus myrtifolia C. Presl Unresolved L TRO
Crataegus nananixonii J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus napaea Sarg. Unresolved L TRO
Crataegus necopinata Pojark. Accepted M TRO
Crataegus nelsonii Eggl. Unresolved L TRO
Crataegus nemoralis Sarg. Unresolved L TRO
Crataegus neobaxteri Sarg. Unresolved L TRO
Crataegus neobushii Sarg. Synonym M TRO
Crataegus neofluvialis Ashe Synonym M TRO
Crataegus neolondinensis Sarg. Unresolved L TRO
Crataegus nescia Sarg. Unresolved L TRO
Crataegus newelliana Murrill Unresolved L TRO
Crataegus nikitinii Essenova Unresolved L TRO
Crataegus nitens Sarg. Synonym M TRO
Crataegus nitida (Engelm. ex Britton & A. Br.) Sarg. Accepted M TRO
Crataegus × nitidula Sarg. Unresolved L TRO
Crataegus nitidula var. limatula (Sarg.) Kruschke Unresolved L TRO
Crataegus nitidula var. recedens (Sarg.) Kruschke Unresolved L TRO
Crataegus notabilis Sarg. Unresolved L TRO
Crataegus notha Sarg. Unresolved L TRO
Crataegus nubicola Beadle Unresolved L TRO
Crataegus nuda Sarg. Unresolved L TRO
Crataegus numerosa Sarg. Unresolved L TRO
Crataegus nupera Ashe Unresolved L TRO
Crataegus oakesiana Eggl. Unresolved L TRO
Crataegus obesa Ashe Synonym M TRO
Crataegus oblita Sarg. Unresolved L TRO
Crataegus oblongifolia Sarg. Unresolved L TRO
Crataegus obscura Sarg. Unresolved L TRO
Crataegus obtusifolia Pers. Synonym M TRO
Crataegus occidentalis Britton Synonym M TRO
Crataegus ohioensis Sarg. Synonym M TRO
Crataegus okanaganensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus okennonii J.B. Phipps Unresolved L TRO
Crataegus olida Ashe Unresolved L TRO
Crataegus olivacea Sarg. Unresolved L TRO
Crataegus onusta Ashe Unresolved L TRO
Crataegus opaca Hook. & Arn. Unresolved L TRO
Crataegus operta Ashe Unresolved L TRO
Crataegus opica Ashe Unresolved L TRO
Crataegus opima Beadle Unresolved L TRO
Crataegus opulens Sarg. Synonym M TRO
Crataegus orbicularis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus oresbia W.W. Sm. Accepted M TRO
Crataegus orientalis Pall. ex Bieb. Unresolved L TRO
Crataegus orientobaltica Cinovskis Unresolved L TRO
Crataegus ornata Sarg. Unresolved L TRO
Crataegus osiliensis Cinovskis Accepted M TRO
Crataegus otiosa Ashe Unresolved L TRO
Crataegus ouachitensis E.J. Palmer Unresolved L TRO
Crataegus ovata Sarg. Synonym M TRO
Crataegus ovatifolia Sarg. Unresolved L TRO
Crataegus oxyacantha L. Synonym M TRO
Crataegus oxyacantha subsp. palmstruchii Hrabetova-Uhrova Synonym L TRO
Crataegus oxyacantha var. pinnatifida Regel Synonym L TRO
Crataegus pachyphylla Sarg. Unresolved L TRO
Crataegus pactilis Ashe Unresolved L TRO
Crataegus paddockiae Sarg. Unresolved L TRO
Crataegus padifolia Sarg. Unresolved L TRO
Crataegus pagensis Sarg. Unresolved L TRO
Crataegus pallasii Griseb. Accepted M TRO
Crataegus pallens Beadle Unresolved L TRO
Crataegus palliata Sarg. Unresolved L TRO
Crataegus pallidula Sarg. Unresolved L TRO
Crataegus palmeri Sarg. Synonym M TRO
Crataegus palmstruchii Lindm. Accepted M TRO
Crataegus paludosa Sarg. Unresolved L TRO
Crataegus palustris Ashe Unresolved L TRO
Crataegus pamiroalaica V. Zapr. Unresolved L TRO
Crataegus panda Beadle Unresolved L TRO
Crataegus panda Ashe Unresolved L TRO
Crataegus paradoxa Sarg. Synonym M TRO
Crataegus parca Ashe Unresolved L TRO
Crataegus parciflora Sarg. Unresolved L TRO
Crataegus parkiae Sarg. Unresolved L TRO
Crataegus parryana Eggl. Synonym M TRO
Crataegus parviflora Sarg. Unresolved L TRO
Crataegus parvifolia Aiton Unresolved L TRO
Crataegus parvula Sarg. Synonym M TRO
Crataegus pascens Ashe Unresolved L TRO
Crataegus pastorum Sarg. Synonym M TRO
Crataegus patrum Sarg. Unresolved L TRO
Crataegus pauciflora (Poir.) Pers. Synonym M TRO
Crataegus paucispina Sarg. Synonym M TRO
Crataegus pausiaca Ashe Synonym M TRO
Crataegus pearsonii Ashe Unresolved L TRO
Crataegus pechiana Sarg. Unresolved L TRO
Crataegus peckietta Sarg. Unresolved L TRO
Crataegus peckii Sarg. Unresolved L TRO
Crataegus pedicellata Sarg. Unresolved L TRO
Crataegus pedicellata var. albicans (Ashe) E.J. Palmer Unresolved L TRO
Crataegus pedicellata var. assurgens (Sarg.) E.J. Palmer Synonym L TRO
Crataegus pedicellata f. assurgens (Sarg.) Kruschke Unresolved L TRO
Crataegus pedicellata var. caesa (Ashe) Kruschke Unresolved L TRO
Crataegus pedicellata var. ellwangeriana (Sarg.) Eggl. Unresolved L TRO
Crataegus pedicellata var. gloriosa (Sarg.) Sarg. Unresolved L TRO
Crataegus pedicellata var. robesoniana (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus pedicellata var. sertata (Sarg.) Kruschke Unresolved L TRO
Crataegus pellecta Sarg. Unresolved L TRO
Crataegus pellucidula Sarg. Unresolved L TRO
Crataegus penita Beadle Unresolved L TRO
Crataegus pennsylvanica Ashe Unresolved L TRO
Crataegus pennypackeri Sarg. Unresolved L TRO
Crataegus pentagyna Waldst. & Kit. Accepted M TRO
Crataegus pentandra Sarg. Synonym M TRO
Crataegus pentaneura Ashe Unresolved L TRO
Crataegus pentasperma Ashe Unresolved L TRO
Crataegus peoriensis Sarg. Synonym M TRO
Crataegus pequotorum Sarg. Unresolved L TRO
Crataegus peramoena Sarg. Unresolved L TRO
Crataegus peregrina Sarg. Unresolved L TRO
Crataegus perjucunda Sarg. Unresolved L TRO
Crataegus perlevis Ashe Unresolved L TRO
Crataegus permera Sarg. Unresolved L TRO
Crataegus × permixta 7800+(pro sp.)+ Unresolved L TRO
Crataegus permixta E.J. Palmer Unresolved L TRO
Crataegus × persimilis Sarg. Unresolved L TRO
Crataegus persistens Sarg. Unresolved L TRO
Crataegus pertomentosa Ashe Synonym M TRO
Crataegus pexa Beadle Unresolved L TRO
Crataegus phaenopyrum (L. f.) Medik. Accepted M TRO
Crataegus phaneroneura Sarg. Unresolved L TRO
Crataegus philadelphica Sarg. Synonym M TRO
Crataegus phippsii O'Kennon Unresolved L TRO
Crataegus phlebodia Sarg. Unresolved L TRO
Crataegus picta Sarg. Unresolved L TRO
Crataegus pilifera Sarg. Unresolved L TRO
Crataegus × pilosa Sarg. Unresolved L TRO
Crataegus pinetorum Beadle Unresolved L TRO
Crataegus pinguis Sarg. Unresolved L TRO
Crataegus pinnatifida Bunge Accepted M TRO
Crataegus pinnatifida f. geholensis (C.K. Schneid.) Kitag. Synonym L TRO
Crataegus pinnatifida var. geholensis C.K. Schneid. Synonym L TRO
Crataegus pinnatifida var. korolkowii (Asch. & Graebn.) Yabe Synonym L TRO
Crataegus pinnatifida var. major N.E. Br. Accepted L TRO
Crataegus pinnatifida var. pinnatifida Accepted L TRO
Crataegus pinnatifida var. psilosa C.K. Schneid. Accepted L TRO
Crataegus pinnatifida f. psilosa (C.K. Schneid.) Kitag. Synonym L TRO
Crataegus pinnatifida var. songarica Dippel Synonym L TRO
Crataegus piperi Britton Synonym M TRO
Crataegus pisifera Sarg. Synonym M TRO
Crataegus placens Sarg. Unresolved L TRO
Crataegus placiva Sarg. Unresolved L TRO
Crataegus plagiosepala Pojark. Unresolved L TRO
Crataegus plana Sarg. Unresolved L TRO
Crataegus platycarpa Sarg. Unresolved L TRO
Crataegus pojarkovae Kossych Accepted M TRO
Crataegus poliophylla Sarg. Unresolved L TRO
Crataegus polita Sarg. Unresolved L TRO
Crataegus polita var. tatnalliana (Sarg.) Sarg. Unresolved L TRO
Crataegus poloniensis Cinovskis Unresolved L TRO
Crataegus polybracteata Ashe Unresolved L TRO
Crataegus polyclada Sarg. Unresolved L TRO
Crataegus pontica C. Koch Accepted M TRO
Crataegus popovii Chrshan. Unresolved L TRO
Crataegus populifolia Walter Unresolved L TRO
Crataegus populnea Ashe Synonym M TRO
Crataegus porracea Ashe Unresolved L TRO
Crataegus porrecta Ashe Unresolved L TRO
Crataegus porteri Britton Synonym M TRO
Crataegus porteri var. caerulescens (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus praearmata Klokov Unresolved L TRO
Crataegus praeclara Sarg. Unresolved L TRO
Crataegus praecoqua Sarg. Unresolved L TRO
Crataegus praecox Sarg. Synonym M TRO
Crataegus praeformosa Murrill Unresolved L TRO
Crataegus praestans Sarg. Unresolved L TRO
Crataegus praetermissa Sarg. Synonym M TRO
Crataegus pratensis Sarg. Unresolved L TRO
Crataegus premora Ashe Unresolved L TRO
Crataegus pringlei Sarg. Synonym M TRO
Crataegus pringlei var. exclusa (Sarg.) Eggl. Unresolved L TRO
Crataegus pringlei var. lobulata (Sarg.) Eggl. Unresolved L TRO
Crataegus prinoides Sarg. Unresolved L TRO
Crataegus prismatica Ashe Unresolved L TRO
Crataegus procera Sarg. Unresolved L TRO
Crataegus promiens Sarg. Unresolved L TRO
Crataegus promissa Sarg. Unresolved L TRO
Crataegus prona Ashe Unresolved L TRO
Crataegus propensa Sarg. Unresolved L TRO
Crataegus propinqua Ashe Unresolved L TRO
Crataegus propixa Sarg. Unresolved L TRO
Crataegus propria Sarg. Unresolved L TRO
Crataegus pruinosa (H.L. Wendl.) K. Koch Accepted M TRO
Crataegus pruinosa f. angulata (Sarg.) E.J. Palmer Accepted L TRO
Crataegus pruinosa var. brachypoda (Sarg.) E.J. Palmer Accepted L TRO
Crataegus pruinosa var. cognata (Sarg.) J.B. Phipps Accepted L TRO
Crataegus pruinosa var. conjuncta (Sarg.) Eggl. Accepted L TRO
Crataegus pruinosa var. delawarensis (Sarg.) E.J. Palmer Accepted L TRO
Crataegus pruinosa f. dissona (Sarg.) Eggl. Synonym L TRO
Crataegus pruinosa var. dissona (Sarg.) Eggl. Synonym L TRO
Crataegus pruinosa var. dissona (Sarg.) J.B. Phipps Accepted L TRO
Crataegus pruinosa var. georgiana (Sarg.) J.B. Phipps Accepted L TRO
Crataegus pruinosa var. latisepala (Ashe) Eggl. Accepted L TRO
Crataegus pruinosa var. leiophylla (Sarg.) J.B. Phipps Accepted L TRO
Crataegus pruinosa var. magnifolia (Sarg.) J.B. Phipps Accepted L TRO
Crataegus pruinosa var. parvula (Sarg.) J.B. Phipps Accepted L TRO
Crataegus pruinosa var. philadelphica (Sarg.) Eggl. Accepted L TRO
Crataegus pruinosa var. porteri (Britton) Eggl. Accepted L TRO
Crataegus pruinosa var. rugosa (Ashe) Kruschke Accepted L TRO
Crataegus pruinosa var. virella (Ashe) Kruschke Accepted L TRO
Crataegus prunifolia (Poir.) Pers. Accepted M TRO
Crataegus pseudoambigua Pojark. Unresolved L TRO
Crataegus pseudoazarolus Popov Unresolved L TRO
Crataegus pseudoheterophylla Pojark. Unresolved L TRO
Crataegus pseudokyrtostyla Klokov Synonym M TRO
Crataegus pseudomelanocarpa M. Pop. ex Pojark. Unresolved L TRO
Crataegus × pseudooxyacantha Cinovskis. Unresolved L TRO
Crataegus pseudosanguinea M. Pop. ex Pojark. Unresolved L TRO
Crataegus × puberis Sarg. Unresolved L TRO
Crataegus pubescens Steud. Unresolved L TRO
Crataegus pubescens (C. Presl) C. Presl Accepted M TRO
Crataegus pubifolia Ashe Unresolved L TRO
Crataegus pudens Sarg. Unresolved L TRO
Crataegus pulcherrima Ashe Unresolved L TRO
Crataegus pulchra Sarg. Unresolved L TRO
Crataegus pulla Beadle Unresolved L TRO
Crataegus punctata Jacq. Synonym M TRO
Crataegus punctata f. aurea (Aiton) Rehder Unresolved L TRO
Crataegus punctata var. aurea Aiton Synonym L TRO
Crataegus punctata f. canescens (Britton) Kruschke Unresolved L TRO
Crataegus punctata var. canescens Britton Synonym L TRO
Crataegus punctata var. pausiaca (Ashe) E.J. Palmer Unresolved L TRO
Crataegus purpurea J.A. Bosc ex DC. Synonym M TRO
Crataegus purpurea var. altaica Loudon Synonym L TRO
Crataegus purpurella J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus puta Sarg. Unresolved L TRO
Crataegus putata Sarg. Unresolved L TRO
Crataegus putnamiana Sarg. Unresolved L TRO
Crataegus pyracantha (L.) Medik. Synonym M TRO
Crataegus pyracantha var. crenulata (D. Don) Loudon Synonym L TRO
Crataegus pyracantha var. pauciflora (Poir.) Steud. Synonym L TRO
Crataegus pyracanthoides Beadle Unresolved L TRO
Crataegus pyracanthoides var. arborea (Beadle) E.J. Palmer Unresolved L TRO
Crataegus pyramidata Sarg. Unresolved L TRO
Crataegus pyrifolia Lam. Synonym M TRO
Crataegus pyriformis Jacques Unresolved L TRO
Crataegus pyriformis Britton Unresolved L TRO
Crataegus pyripulchra Murrill Unresolved L TRO
Crataegus quaesita Beadle Unresolved L TRO
Crataegus quercina Ashe Unresolved L TRO
Crataegus quinebaugensis Sarg. Unresolved L TRO
Crataegus quitensis Benth. Unresolved L TRO
Crataegus radians Sarg. Unresolved L TRO
Crataegus radiata Sarg. Unresolved L TRO
Crataegus raleighensis Ashe Unresolved L TRO
Crataegus ramosa Sarg. Unresolved L TRO
Crataegus × randiana Sarg. Unresolved L TRO
Crataegus rara Sarg. Unresolved L TRO
Crataegus rava Beadle Unresolved L TRO
Crataegus ravenelii Sarg. Unresolved L TRO
Crataegus ravida Ashe Unresolved L TRO
Crataegus recedens Sarg. Synonym M TRO
Crataegus recordabilis Sarg. Unresolved L TRO
Crataegus recurva Beadle Unresolved L TRO
Crataegus redolens Ashe Unresolved L TRO
Crataegus regalis Beadle Synonym M TRO
Crataegus regalis var. paradoxa (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus relicta Sarg. Unresolved L TRO
Crataegus remota Sarg. Unresolved L TRO
Crataegus remotilobata Raikova ex Popov Accepted M TRO
Crataegus repentina Sarg. Unresolved L TRO
Crataegus repulsans Sarg. Unresolved L TRO
Crataegus resecta Ashe Unresolved L TRO
Crataegus reses Ashe Unresolved L TRO
Crataegus resima Beadle Unresolved L TRO
Crataegus retrusa Ashe Unresolved L TRO
Crataegus reverchonii Sarg. Unresolved L TRO
Crataegus reverchonii var. discolor (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus reverchonii var. mohrii (Beadle) J.B. Phipps Unresolved L TRO
Crataegus reverchonii var. palmeri (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus reverchonii var. stevensiana (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus rhipidophylla Gand. Unresolved L TRO
Crataegus rhipidophylla var. ronnigeri (K.Malý) Janjic Unresolved L WCSP (in review)
Crataegus rhodella Ashe Unresolved L TRO
Crataegus rhombifolia Sarg. Synonym M TRO
Crataegus ridgwayi Sarg. Unresolved L TRO
Crataegus rigens Beadle Unresolved L TRO
Crataegus rigida Sarg. Unresolved L TRO
Crataegus rimosa Beadle Unresolved L TRO
Crataegus rimosiformis Murrill Unresolved L TRO
Crataegus riparia Ashe Unresolved L TRO
Crataegus rivularis Nutt. Unresolved L TRO
Crataegus rivuloadamensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus rivulopugnensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus roanensis Ashe Synonym M TRO
Crataegus roanensis var. fluviatilis (Sarg.) Kruschke Unresolved L TRO
Crataegus roanensis var. heidelbergensis (Sarg.) Kruschke Unresolved L TRO
Crataegus robbinsoniana Sarg. Unresolved L TRO
Crataegus robesoniana Sarg. Synonym M TRO
Crataegus robinsonii Sarg. Unresolved L TRO
Crataegus robusta Sarg. Unresolved L TRO
Crataegus roribacca Ashe Unresolved L TRO
Crataegus rosei Eggl. Accepted M TRO
Crataegus rosei subsp. parryana (Eggl.) J.B. Phipps Accepted L TRO
Crataegus rotunda Sarg. Unresolved L TRO
Crataegus rotundata Sarg. Synonym M TRO
Crataegus rotundifolia Moench Synonym M TRO
Crataegus rotundifolia var. aboriginum (Sarg.) Sarg. Synonym L TRO
Crataegus rotundifolia var. bicknellii Eggl. Synonym L TRO
Crataegus rotundifolia var. chrysocarpa (Ashe) Eggl. Synonym L TRO
Crataegus rotundifolia var. faxonii (Sarg.) Eggl. Synonym L TRO
Crataegus rotundifolia f. rubescens Sarg. Synonym L TRO
Crataegus rubella Beadle Synonym M TRO
Crataegus rubens Cinovskis Unresolved L TRO
Crataegus rubicunda Sarg. Unresolved L TRO
Crataegus rubicundula Sarg. Unresolved L TRO
Crataegus rubra Lour. Synonym M TRO
Crataegus rubribracteolata J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus rubrifolia Sarg. Unresolved L TRO
Crataegus rubrisepala Sarg. Unresolved L TRO
Crataegus × rubrocarnea Sarg. Unresolved L TRO
Crataegus rubrolutea Sarg. Unresolved L TRO
Crataegus rudis Sarg. Unresolved L TRO
Crataegus rufipes Ashe Unresolved L TRO
Crataegus rufula Sarg. Unresolved L TRO
Crataegus rugosa Ashe Synonym M TRO
Crataegus rupestris Ashe Unresolved L TRO
Crataegus × rupicola 8757+(pro sp.)+ Unresolved L TRO
Crataegus rupicola Sarg. Unresolved L TRO
Crataegus ruricola Sarg. Unresolved L TRO
Crataegus russanovii Cinovskis Unresolved L TRO
Crataegus rustica Beadle Unresolved L TRO
Crataegus rutila Sarg. Synonym M TRO
Crataegus sabineana Ashe Unresolved L TRO
Crataegus saeva Sarg. Unresolved L TRO
Crataegus saligna Greene Unresolved L TRO
Crataegus sanguinea Pall. Accepted M TRO
Crataegus sanguinea var. glabra Maxim. Synonym L TRO
Crataegus sanguinea var. incisa Regel Synonym L TRO
Crataegus sanguinea var. inermis Kar. & Kir. Synonym L TRO
Crataegus sanguinea var. villosa Rupr. Synonym L TRO
Crataegus sargentii Beadle Unresolved L TRO
Crataegus sarniensis Sarg. Unresolved L TRO
Crataegus saundersiana Sarg. Synonym M TRO
Crataegus sauratonae Ashe Unresolved L TRO
Crataegus scabra Sarg. Unresolved L TRO
Crataegus scabrida Sarg. Synonym M TRO
Crataegus scabrida var. asperifolia (Sarg.) Kruschke Unresolved L TRO
Crataegus scabrida var. balkwillii (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus scabrida var. cyclophylla (Sarg.) Kruschke Unresolved L TRO
Crataegus scabrida var. dunbarii (Sarg.) Kruschke Unresolved L TRO
Crataegus scabrida var. egglestonii (Sarg.) Kruschke Unresolved L TRO
Crataegus scabrida var. hadleyana (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus scabrida var. honesta (Sarg.) Kruschke Unresolved L TRO
Crataegus scabrida var. improvisa (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus scabrifolia (Franch.) Rehder Accepted M TRO
Crataegus schizophylla Eggl. Unresolved L TRO
Crataegus schneckii Ashe Unresolved L TRO
Crataegus schraderana Ledeb. Synonym M TRO
Crataegus schuettei Ashe Unresolved L TRO
Crataegus schuettei var. basilica (Beadle) J.B. Phipps Unresolved L TRO
Crataegus schuettei var. ferrissii (Ashe) Kruschke Unresolved L TRO
Crataegus scopulorum Sarg. Unresolved L TRO
Crataegus scorna Sarg. Unresolved L TRO
Crataegus searsii Sarg. Unresolved L TRO
Crataegus seclusa Sarg. Unresolved L TRO
Crataegus secta Sarg. Synonym M TRO
Crataegus sectilis Ashe Unresolved L TRO
Crataegus seducta Sarg. Unresolved L TRO
Crataegus segnis Beadle Unresolved L TRO
Crataegus sejuncta Sarg. Unresolved L TRO
Crataegus senta Beadle Unresolved L TRO
Crataegus sequax Ashe Unresolved L TRO
Crataegus sera Sarg. Synonym M TRO
Crataegus serena Sarg. Unresolved L TRO
Crataegus serratifolia Desf. Synonym M TRO
Crataegus serratissima J.B. Phipps Unresolved L TRO
Crataegus sertata Sarg. Synonym M TRO
Crataegus setosa Sarg. Unresolved L TRO
Crataegus severa Sarg. Unresolved L TRO
Crataegus sextilis Sarg. Unresolved L TRO
Crataegus shaferi Ashe Unresolved L TRO
Crataegus shandongensis F.Z. Li & W.D. Peng Accepted M TRO
Crataegus sheila-phippsiae J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus shensiensis Pojark. Accepted M TRO
Crataegus sheridana A. Nelson Unresolved L TRO
Crataegus shinnersii Kruschke Unresolved L TRO
Crataegus shirleyensis Sarg. Synonym M TRO
Crataegus shuswapensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus sicca Sarg. Unresolved L TRO
Crataegus sicca var. glabrifolia (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus siderea Sarg. Unresolved L TRO
Crataegus signata Beadle Unresolved L TRO
Crataegus silvestris Sarg. Unresolved L TRO
Crataegus silvicola Beadle Unresolved L TRO
Crataegus silvicola Gand. Unresolved L TRO
Crataegus silvicola var. beckwithiae (Sarg.) Eggl. Unresolved L TRO
Crataegus simulans Sarg. Unresolved L TRO
Crataegus × simulata 8757+(pro sp.)+ Unresolved L TRO
Crataegus simulata Sarg. Unresolved L TRO
Crataegus sinistra Beadle Synonym M TRO
Crataegus sitiens Ashe Unresolved L TRO
Crataegus slavinii Sarg. Unresolved L TRO
Crataegus smithii Sarg. Synonym M TRO
Crataegus sodalis Beadle Unresolved L TRO
Crataegus songarica K. Koch Accepted M TRO
Crataegus sordida Sarg. Synonym M TRO
Crataegus sororia Beadle Unresolved L TRO
Crataegus spathulata Michx. Unresolved L TRO
Crataegus spatifolia Sarg. Unresolved L TRO
Crataegus × spatiosa Sarg. Unresolved L TRO
Crataegus speciosa Sarg. Unresolved L TRO
Crataegus spes-aestatum J.B. Phipps Unresolved L TRO
Crataegus sphaenophylla Pojark. Unresolved L TRO
Crataegus spicata Lam. Synonym M TRO
Crataegus spinulosa Sarg. Unresolved L TRO
Crataegus spissa Sarg. Unresolved L TRO
Crataegus spissiflora Sarg. Unresolved L TRO
Crataegus splendida Sarg. Unresolved L TRO
Crataegus stankovii Kossych Unresolved L TRO
Crataegus stellata Sarg. Unresolved L TRO
Crataegus stenophylla Sarg. Unresolved L TRO
Crataegus stenosepala Sarg. Unresolved L TRO
Crataegus stephanostyla H. Lév. & Vaniot Synonym M TRO
Crataegus steubenensis Sarg. Unresolved L TRO
Crataegus stevenii Pojark. Unresolved L TRO
Crataegus stevensiana Sarg. Synonym M TRO
Crataegus stipulosa (Kunth) Steud. Synonym M TRO
Crataegus stolonifera Sarg. Synonym M TRO
Crataegus stonei Sarg. Synonym M TRO
Crataegus straminea Beadle Synonym M TRO
Crataegus stratfordensis Sarg. Unresolved L TRO
Crataegus streeterae Sarg. Unresolved L TRO
Crataegus strigosa Sarg. Unresolved L TRO
Crataegus strongylophylla Sarg. Unresolved L TRO
Crataegus structilis Ashe Unresolved L TRO
Crataegus suavis Sarg. Unresolved L TRO
Crataegus subaudens Murrill Unresolved L TRO
Crataegus subborealis Cinovskis Unresolved L TRO
Crataegus subflavida Murrill Unresolved L TRO
Crataegus sublobulata Sarg. Unresolved L TRO
Crataegus submollis Sarg. Unresolved L TRO
Crataegus suborbiculata Sarg. Unresolved L TRO
Crataegus suborbiculata var. saundersiana (Sarg.) Kruschke Unresolved L TRO
Crataegus subpaludosa Murrill Unresolved L TRO
Crataegus subpilosa Sarg. Unresolved L TRO
Crataegus subrotunda Klokov Unresolved L TRO
Crataegus subrotundifolia Sarg. Synonym M TRO
Crataegus subserrata Benth. Synonym M TRO
Crataegus subviridis Beadle Unresolved L TRO
Crataegus succincta Sarg. Synonym M TRO
Crataegus succulenta Schrad. ex Link Synonym M TRO
Crataegus succulenta var. gemmosa (Sarg.) Kruschke Unresolved L TRO
Crataegus succulenta var. laxiflora (Sarg.) Kruschke Unresolved L TRO
Crataegus succulenta var. macracantha (Lodd. ex Loudon) Eggl. Unresolved L TRO
Crataegus succulenta var. membranacea (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus succulenta var. michiganensis (Ashe) E.J. Palmer Unresolved L TRO
Crataegus succulenta var. neofluvialis (Ashe) E.J. Palmer Unresolved L TRO
Crataegus succulenta var. occidentalis (Britton) E.J. Palmer Synonym L TRO
Crataegus succulenta var. pertomentosa (Ashe) E.J. Palmer Synonym L TRO
Crataegus succulenta var. pisifera (Sarg.) Kruschke Unresolved L TRO
Crataegus succulenta var. rutila (Sarg.) Kruschke Unresolved L TRO
Crataegus sucida Sarg. Unresolved L TRO
Crataegus suksdorfii (Sarg.) Kruschke Accepted M TRO
Crataegus sulfurea J.B. Phipps Accepted M TRO
Crataegus superata Sarg. Unresolved L TRO
Crataegus sutherlandensis Sarg. Unresolved L TRO
Crataegus swanensis Sarg. Unresolved L TRO
Crataegus sylvestris Unresolved L TRO
Crataegus szovitsii Pojark. Unresolved L TRO
Crataegus tanacetifolia (Lam.) Pers. Accepted M TRO
Crataegus tanaitica Klokov Unresolved L TRO
Crataegus tangchungchangii F.P. Metcalf Synonym M TRO
Crataegus tantula Sarg. Unresolved L TRO
Crataegus tanuphylla Sarg. Unresolved L TRO
Crataegus taquetii H. Lév. Synonym M TRO
Crataegus tarda Sarg. Unresolved L TRO
Crataegus tardiflora Sarg. Unresolved L TRO
Crataegus tardipes Sarg. Synonym M TRO
Crataegus tatnalliana Sarg. Synonym M TRO
Crataegus taurica Pojark. Unresolved L TRO
Crataegus tenax Ashe Unresolved L TRO
Crataegus tenella Ashe Unresolved L TRO
Crataegus tenera Ashe Unresolved L TRO
Crataegus tennowana A. Nelson Unresolved L TRO
Crataegus tenuifolia Kom. Unresolved L TRO
Crataegus tenuifolia Britton Unresolved L TRO
Crataegus tenuiloba Sarg. Unresolved L TRO
Crataegus tenuisepala Sarg. Unresolved L TRO
Crataegus tenuispina Sarg. Unresolved L TRO
Crataegus tenuissima Sarg. Unresolved L TRO
Crataegus teres Beadle Unresolved L TRO
Crataegus tetrica Beadle Unresolved L TRO
Crataegus texana Buckley Unresolved L TRO
Crataegus thayeri Sarg. Unresolved L TRO
Crataegus thermopegaea E.J. Palmer Unresolved L TRO
Crataegus tianschanica Pojark. Unresolved L TRO
Crataegus tinctoria Ashe Unresolved L TRO
Crataegus tisdalei Murrill Unresolved L TRO
Crataegus tomentosa L. Unresolved L TRO
Crataegus tomentosa var. chapmanii Beadle Synonym L TRO
Crataegus tomentosa var. microcarpa Chapm. Synonym L TRO
Crataegus tomentosa var. smithii (Sarg.) Eggl. Unresolved L TRO
Crataegus torminalis L. Synonym M TRO
Crataegus torta Sarg. Unresolved L TRO
Crataegus tortilis Ashe Unresolved L TRO
Crataegus tortuosa Sarg. Unresolved L TRO
Crataegus torva Beadle Unresolved L TRO
Crataegus tournefortii Griseb. Accepted M TRO
Crataegus trachyphylla Sarg. Unresolved L TRO
Crataegus tracyi Ashe ex Eggl. Accepted M TRO
Crataegus trahax Ashe Unresolved L TRO
Crataegus transcaspica Pojark. Unresolved L TRO
Crataegus transmississippiensis Sarg. Unresolved L TRO
Crataegus treleasei Sarg. Unresolved L TRO
Crataegus trianthophora Sarg. Unresolved L TRO
Crataegus tribulosa Sarg. Unresolved L TRO
Crataegus triflora Chapm. Unresolved L TRO
Crataegus trilobata Labill. ex Poir. Synonym M TRO
Crataegus triosteum Gruber Unresolved L TRO
Crataegus tripartita Sarg. Unresolved L TRO
Crataegus trisperma Ashe Unresolved L TRO
Crataegus tristis Beadle Unresolved L TRO
Crataegus triumphalis Sarg. Unresolved L TRO
Crataegus truncata Sarg. Synonym M TRO
Crataegus turcomanica Pojark. Unresolved L TRO
Crataegus turkestanica Pojark. Unresolved L TRO
Crataegus turnerorum Enquist Unresolved L TRO
Crataegus twiningii Sarg. Unresolved L TRO
Crataegus uber Ashe Unresolved L TRO
Crataegus ucrainica Pojark. Unresolved L TRO
Crataegus umbratilis Sarg. Unresolved L TRO
Crataegus umbrosa Sarg. Unresolved L TRO
Crataegus uncta Sarg. Unresolved L TRO
Crataegus uniflora Münchh. Accepted M TRO
Crataegus uniqua Sarg. Unresolved L TRO
Crataegus ursopedensis J.B. Phipps & O'Kennon Unresolved L TRO
Crataegus uvaldensis Sarg. Unresolved L TRO
Crataegus vaga Sarg. Unresolved L TRO
Crataegus × vailiae Britton Unresolved L TRO
Crataegus valens Ashe Unresolved L TRO
Crataegus valida Beadle Unresolved L TRO
Crataegus vallicola Sarg. Unresolved L TRO
Crataegus varians Sarg. Unresolved L TRO
Crataegus vegeta Sarg. Unresolved L TRO
Crataegus vegrandis Sarg. Unresolved L TRO
Crataegus velata Ashe Unresolved L TRO
Crataegus velutina Sarg. Synonym M TRO
Crataegus venosa Ashe Unresolved L TRO
Crataegus venulosa Sarg. Unresolved L TRO
Crataegus venusta Beadle Unresolved L TRO
Crataegus venustula Sarg. Unresolved L TRO
Crataegus verecunda Sarg. Unresolved L TRO
Crataegus verna Ashe Unresolved L TRO
Crataegus vernans Ashe Unresolved L TRO
Crataegus verrucalis Peck ex Sarg. Unresolved L TRO
Crataegus × verruculosa 8757+(pro sp.)+ Unresolved L TRO
Crataegus verruculosa Sarg. Unresolved L TRO
Crataegus versuta Beadle Unresolved L TRO
Crataegus vesca Ashe Unresolved L TRO
Crataegus viaria Beadle Unresolved L TRO
Crataegus viatica Ashe Unresolved L TRO
Crataegus viburnifolia Sarg. Synonym M TRO
Crataegus vicana Beadle Unresolved L TRO
Crataegus vicina Sarg. Unresolved L TRO
Crataegus vicinalis Beadle Unresolved L TRO
Crataegus victorinii Sarg. Unresolved L TRO
Crataegus × viidumaegica Cinovskis Accepted M TRO
Crataegus villaris Beadle Unresolved L TRO
Crataegus villicarpa Sarg. Unresolved L TRO
Crataegus villiflora Sarg. Unresolved L TRO
Crataegus villosa Thunb. Synonym M TRO
Crataegus viminea Ashe Unresolved L TRO
Crataegus virella Ashe Synonym M TRO
Crataegus virgata Ashe Unresolved L TRO
Crataegus viridimontana Sarg. Synonym M TRO
Crataegus viridis L. Unresolved L TRO
Crataegus viridis var. atrorubens (2717+(pro sp.)+) E.J. Palmer Unresolved L TRO
Crataegus viridis var. glabriuscula (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus viridis var. lanceolata (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus viridis var. lutensis (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus viridis var. nitens (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus viridis var. nitida Engelm. ex Britton & A. Br. Synonym L TRO
Crataegus viridis var. ovata (Sarg.) E.J. Palmer Unresolved L TRO
Crataegus viridis var. velutina (Sarg.) J.B. Phipps Unresolved L TRO
Crataegus virilis Sarg. Synonym M TRO
Crataegus visenda Beadle Unresolved L TRO
Crataegus visendiformis Murrill Unresolved L TRO
Crataegus vitellina Ashe Unresolved L TRO
Crataegus vittata Ashe Unresolved L TRO
Crataegus vivida Sarg. Unresolved L TRO
Crataegus volgensis Pojark. Unresolved L TRO
Crataegus vulsa Beadle Unresolved L TRO
Crataegus warneri Sarg. Unresolved L TRO
Crataegus watsonii Murrill Unresolved L TRO
Crataegus wattiana Hemsl. & J.H. Lace Unresolved L TRO
Crataegus wattiana var. incisa C.K. Schneid. Synonym L TRO
Crataegus × websteri Sarg. Unresolved L TRO
Crataegus wheeleri A. Nelson Unresolved L TRO
Crataegus × whitakeri Sarg. Unresolved L TRO
Crataegus wilkinsonii Ashe Unresolved L TRO
Crataegus williamsii Eggl. Unresolved L TRO
Crataegus wilmorensis Sarg. Unresolved L TRO
Crataegus wilsonii Sarg. Accepted M TRO
Crataegus wisconsinensis Kruschke Unresolved L TRO
Crataegus wootoniana Eggl. Unresolved L TRO
Crataegus xanthophylla Sarg. Unresolved L TRO
Crataegus yadkinensis Ashe Unresolved L TRO
Crataegus youngii Sarg. Unresolved L TRO
Crataegus zangezura Pojark. Unresolved L TRO