| Spigelia aceifolia Woodson |
Synonym |
 |
TRO |
| Spigelia aenea Lem. |
Unresolved |
 |
WCSP (in review) |
| Spigelia amambaiensis Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia amazonica Fern.Casas |
Accepted |
 |
WCSP (in review) |
| Spigelia ambigua C.Wright |
Unresolved |
 |
WCSP (in review) |
| Spigelia amplexicaulis E.F.Guim. & Fontella |
Unresolved |
 |
WCSP (in review) |
| Spigelia andersonii Fern. Casas |
Unresolved |
 |
TRO |
| Spigelia andina Fern. Casas |
Accepted |
 |
TRO |
| Spigelia angustifolia W. Klett ex Fern. Casas |
Synonym |
 |
TRO |
| Spigelia anthelmia L. |
Accepted |
 |
WCSP (in review) |
| Spigelia anthelmia var. nervosa (Steud.) Progel |
Synonym |
 |
TRO |
| Spigelia anthelmia var. obliquinervia A. DC. |
Synonym |
 |
TRO |
| Spigelia anthelmia var. peruviana A. DC. |
Synonym |
 |
TRO |
| Spigelia araucariensis Guimaraes & Fontella |
Synonym |
 |
TRO |
| Spigelia asperifolia Progel |
Unresolved |
 |
WCSP (in review) |
| Spigelia australis L.B.Sm. |
Synonym |
 |
WCSP (in review) |
| Spigelia bahiana L.B.Sm. |
Unresolved |
 |
WCSP (in review) |
| Spigelia beccabungoides Kraenzl. |
Accepted |
 |
TRO |
| Spigelia beyrichiana Cham. & Schltdl. |
Unresolved |
 |
WCSP (in review) |
| Spigelia blainii Millsp. |
Unresolved |
 |
WCSP (in review) |
| Spigelia blanchetiana DC. |
Accepted |
 |
TRO |
| Spigelia blanchetiana var. hatschbachii L.B. Sm. |
Synonym |
 |
TRO |
| Spigelia blanchetiana var. riedeliana Progel |
Synonym |
 |
TRO |
| Spigelia brachystachya Progel |
Unresolved |
 |
WCSP (in review) |
| Spigelia breviflora (Chodat & Hassl.) H.H. Hurley |
Accepted |
 |
TRO |
| Spigelia caaguazuensis Kraenzl. |
Accepted |
 |
WCSP (in review) |
| Spigelia carnosa Standl. & Steyerm. |
Accepted |
 |
TRO |
| Spigelia cascatensis E.F.Guim. & Fontella |
Unresolved |
 |
WCSP (in review) |
| Spigelia catarinensis Guimaraes & Fontella |
Accepted |
 |
TRO |
| Spigelia chamaedryoides Kraenzl. |
Synonym |
 |
WCSP (in review) |
| Spigelia chiapensis K.R. Gould |
Accepted |
 |
TRO |
| Spigelia chocoensis Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia cipoensis Zappi |
Unresolved |
 |
WCSP (in review) |
| Spigelia coelostylioides K.R. Gould |
Synonym |
 |
TRO |
| Spigelia colimensis Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia coriacea H.H. Hurley ex Fern. Casas |
Synonym |
 |
TRO |
| Spigelia coulteriana Benth. |
Synonym |
 |
TRO |
| Spigelia cremnophila Zappi & E.Lucas |
Unresolved |
 |
WCSP (in review) |
| Spigelia dolichostachya Fern. Casas |
Accepted |
 |
TRO |
| Spigelia domingensis Gand. |
Synonym |
 |
TRO |
| Spigelia dusenii L.B. Sm. |
Accepted |
 |
TRO |
| Spigelia elongata Britton |
Unresolved |
 |
WCSP (in review) |
| Spigelia elsieana Fern. Casas |
Unresolved |
 |
TRO |
| Spigelia epilobioides Kraenzl. |
Synonym |
 |
WCSP (in review) |
| Spigelia faveolata Fern. Casas |
Synonym |
 |
TRO |
| Spigelia filipes Rusby |
Synonym |
 |
WCSP (in review) |
| Spigelia flava Zappi & Harley |
Unresolved |
 |
WCSP (in review) |
| Spigelia flemmingiana Cham. & Schltdl. |
Accepted |
 |
TRO |
| Spigelia fontellae Fern. Casas |
Unresolved |
 |
TRO |
| Spigelia fruticulosa Lam. |
Synonym |
 |
TRO |
| Spigelia gentianoides Chapm. ex A.DC. |
Unresolved |
 |
WCSP (in review) |
| Spigelia gilgii J.F. Macbr. |
Synonym |
 |
TRO |
| Spigelia glabrata Mart. |
Unresolved |
 |
WCSP (in review) |
| Spigelia glaziovii Taub. |
Unresolved |
 |
TRO |
| Spigelia gracilis A.DC. |
Unresolved |
 |
WCSP (in review) |
| Spigelia granitica Chodat & Hassl. |
Unresolved |
 |
TRO |
| Spigelia guaranitica Chodat & Hassl. |
Unresolved |
 |
WCSP (in review) |
| Spigelia guianensis (Aubl.) Lemée |
Accepted |
 |
WCSP (in review) |
| Spigelia hamelioides Kunth |
Accepted |
 |
WCSP (in review) |
| Spigelia hassleriana Chodat |
Unresolved |
 |
WCSP (in review) |
| Spigelia hassleriana Kraenzl. |
Unresolved |
 |
WCSP (in review) |
| Spigelia hatschbachii Fern. Casas |
Accepted |
 |
TRO |
| Spigelia hedyotidea A. DC. |
Accepted |
 |
TRO |
| Spigelia heliotropoides (Pohl) E.F.Guim. & Fontella |
Unresolved |
 |
WCSP (in review) |
| Spigelia herzogiana Kraenzl. |
Unresolved |
 |
WCSP (in review) |
| Spigelia hirsuta Klatt |
Unresolved |
 |
TRO |
| Spigelia hirtula Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia humboldtiana Cham. & Schltdl. |
Synonym |
 |
WCSP (in review) |
| Spigelia humboldtiana var. breviflora Chodat & Hassl. |
Synonym |
 |
TRO |
| Spigelia humboldtiana var. obtusifolia Progel |
Synonym |
 |
TRO |
| Spigelia humboldtiana var. pubescens Progel |
Synonym |
 |
TRO |
| Spigelia humilis Benth. |
Synonym |
 |
WCSP (in review) |
| Spigelia hurleyi Fern. Casas |
Accepted |
 |
TRO |
| Spigelia incana Gilg |
Unresolved |
 |
TRO |
| Spigelia insignis Progel |
Accepted |
 |
TRO |
| Spigelia intermedia Arechav. |
Synonym |
 |
WCSP (in review) |
| Spigelia japonica Siebold ex Miq. |
Unresolved |
 |
WCSP (in review) |
| Spigelia killipii Ewan |
Synonym |
 |
TRO |
| Spigelia kleinii L.B.Sm. |
Accepted |
 |
WCSP (in review) |
| Spigelia kleinii var. paranaensis E.F. Guim. & Fontella-Pereira |
Synonym |
 |
TRO |
| Spigelia kuhlmannii E.F.Guim. & Fontella |
Unresolved |
 |
WCSP (in review) |
| Spigelia laevigata Progel |
Unresolved |
 |
WCSP (in review) |
| Spigelia laurina Cham. & Schltdl. |
Unresolved |
 |
WCSP (in review) |
| Spigelia leiocarpa Benth. ex Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia linarioides A.DC. |
Unresolved |
 |
WCSP (in review) |
| Spigelia lindheimeri A. Gray |
Synonym |
 |
TRO |
| Spigelia loganioides (Torr. & A. Gray) A. DC. |
Accepted |
 |
TRO |
| Spigelia longiflora Sessé & Moc. |
Accepted |
 |
TRO |
| Spigelia lonicera Mill. |
Unresolved |
 |
WCSP (in review) |
| Spigelia luciatlantica Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia lundiana A.DC. |
Unresolved |
 |
WCSP (in review) |
| Spigelia macrophylla (Pohl) DC. |
Accepted |
 |
TRO |
| Spigelia marilandica L. |
Unresolved |
 |
WCSP (in review) |
| Spigelia martiana Cham. & Schltdl. |
Accepted |
 |
TRO |
| Spigelia megapotamica Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia mexicana A.DC. |
Unresolved |
 |
WCSP (in review) |
| Spigelia meziana Klatt |
Unresolved |
 |
TRO |
| Spigelia monantha Gilg |
Unresolved |
 |
TRO |
| Spigelia multispica Steud. |
Synonym |
 |
WCSP (in review) |
| Spigelia multispica var. discolor Progel |
Synonym |
 |
TRO |
| Spigelia nana Alain |
Unresolved |
 |
WCSP (in review) |
| Spigelia nervosa Steud. |
Synonym |
 |
WCSP (in review) |
| Spigelia nervosa Gilg |
Synonym |
 |
TRO |
| Spigelia nicotianiflora Chodat & Hassl. |
Accepted |
 |
WCSP (in review) |
| Spigelia novogranatensis Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia olfersiana Cham. & Schltdl. |
Accepted |
 |
TRO |
| Spigelia oppositifolia Stokes |
Unresolved |
 |
WCSP (in review) |
| Spigelia palmeri Rose |
Synonym |
 |
TRO |
| Spigelia paraguarensis Chodat |
Unresolved |
 |
TRO |
| Spigelia paraguayensis Chodat |
Accepted |
 |
WCSP (in review) |
| Spigelia paraguayensis f. subscandens Chodat |
Synonym |
 |
WCSP (in review) |
| Spigelia pauciflora M. Martens & Galeotti |
Synonym |
 |
TRO |
| Spigelia pauciflora DC. |
Synonym |
 |
TRO |
| Spigelia peduncularis D.Dietr. |
Unresolved |
 |
WCSP (in review) |
| Spigelia pedunculata Kunth |
Accepted |
 |
TRO |
| Spigelia persicarioides Ewan |
Unresolved |
 |
WCSP (in review) |
| Spigelia persicarioides var. insularis Ewan |
Synonym |
 |
TRO |
| Spigelia petiolata H.Hurley ex Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia platyphylla Progel |
Synonym |
 |
TRO |
| Spigelia polita Progel |
Synonym |
 |
TRO |
| Spigelia polystachya Klotzsch ex Prog. |
Accepted |
 |
WCSP (in review) |
| Spigelia polystachya Klotzsch ex M.R. Schomb. |
Synonym |
 |
TRO |
| Spigelia pubescens Klatt |
Unresolved |
 |
TRO |
| Spigelia pulchella Mart. |
Unresolved |
 |
WCSP (in review) |
| Spigelia pulverulenta Mart. |
Synonym |
 |
TRO |
| Spigelia pusilla Mart. |
Accepted |
 |
TRO |
| Spigelia pygmaea D.N. Gibson |
Accepted |
 |
TRO |
| Spigelia quadrifolia Stokes |
Synonym |
 |
TRO |
| Spigelia quaternata Eastw. |
Unresolved |
 |
WCSP (in review) |
| Spigelia queretarensis Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia ramosa L.B. Sm. |
Synonym |
 |
TRO |
| Spigelia reflexicalyx E.F.Guim. & Fontella |
Unresolved |
 |
WCSP (in review) |
| Spigelia reitzii L.B. Sm. |
Synonym |
 |
TRO |
| Spigelia riedeliana (Progel) Guimaraes & Fontella |
Accepted |
 |
TRO |
| Spigelia riparia L.B. Sm. |
Synonym |
 |
TRO |
| Spigelia rojasiana Kraenzl. |
Accepted |
 |
TRO |
| Spigelia rondoniensis Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia rubelliana Arechav. |
Synonym |
 |
WCSP (in review) |
| Spigelia rubiifolia DC. |
Synonym |
 |
TRO |
| Spigelia scabra Cham. & Schltdl. |
Accepted |
 |
WCSP (in review) |
| Spigelia scabra var. angustata Progel |
Synonym |
 |
TRO |
| Spigelia scabrella Benth. |
Accepted |
 |
TRO |
| Spigelia schlechtendaliana Mart. |
Accepted |
 |
TRO |
| Spigelia schomburgkiana Benth. |
Synonym |
 |
TRO |
| Spigelia schultesii Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia selloi Spreng. |
Synonym |
 |
TRO |
| Spigelia sellowiana Cham. & Schltdl. |
Accepted |
 |
TRO |
| Spigelia sessilifolia Rusby |
Synonym |
 |
TRO |
| Spigelia sordida Fern.Casas |
Unresolved |
 |
WCSP (in review) |
| Spigelia spartioides Griseb. ex C.Wright |
Unresolved |
 |
WCSP (in review) |
| Spigelia spartioides Cham. |
Unresolved |
 |
WCSP (in review) |
| Spigelia speciosa Kunth |
Accepted |
 |
TRO |
| Spigelia sphagnicola C.Wright |
Unresolved |
 |
WCSP (in review) |
| Spigelia splendens H. Wendl. ex Hook. |
Accepted |
 |
TRO |
| Spigelia stenocardia (Standl.) Fern. Casas |
Accepted |
 |
TRO |
| Spigelia stenophylla Progel |
Accepted |
 |
TRO |
| Spigelia stipularis Progel |
Synonym |
 |
TRO |
| Spigelia tetraptera Taub. |
Accepted |
 |
TRO |
| Spigelia texana (Torr. & A. Gray) A. DC. |
Accepted |
 |
TRO |
| Spigelia trispicata H.H. Hurley ex K.R. Gould |
Accepted |
 |
TRO |
| Spigelia uleana Gilg |
Unresolved |
 |
TRO |
| Spigelia uruguaya Arechav. |
Synonym |
 |
WCSP (in review) |
| Spigelia valenzuelae Chodat & Hassl. |
Accepted |
 |
TRO |
| Spigelia valenzuelae var. major Chodat & Hassl. |
Synonym |
 |
TRO |
| Spigelia vestita L.B. Sm. |
Accepted |
 |
TRO |