| Arten: |
| Ruellia angustiflora (Nees) Lindau ex Rambo |
| Ruellia angustifolia Sw. |
| Ruellia anthracina Leonard |
| Ruellia asema Leonard |
| Ruellia aspera Phillips |
| Ruellia asperula (Mart. & Nees) Lindau |
| Ruellia bahiensis (Nees) Morong |
| Ruellia barbillana Cufod. |
| Ruellia bignoniiflora S.Moore |
| Ruellia biolleyi Lindau |
| Ruellia blechioides Sw. |
| Ruellia blechum L. |
| Ruellia bolivarensis Wassh. |
| Ruellia bourgaei Hemsl. |
| Ruellia brachysiphon (Nees) Hiern |
| Ruellia breedlovei T.F. Daniel |
| Ruellia brevifolia (Pohl) C.Ezcurra |
| Ruellia bulbifera Lindau |
| Ruellia californica (Rose) I.M. Johnst. |
| Ruellia candida (Brandegee) Kobuski |
| Ruellia caracasana (Klotzsch & H.Karst. ex Nees) V.M.Badillo |
| Ruellia carmenaemiliae Llamozas |
| Ruellia chartacea (T. Anderson) Wassh. |
| Ruellia ciliatiflora Hook. |
| Ruellia colonensis Wassh. |
| Ruellia comonduensis T.F. Daniel |
| Ruellia consocialis Lindau |
| Ruellia cordata Thunb. |
| Ruellia corzoi Tharp & F.A. Barkley |
| Ruellia cupheoides Fernald |
| Ruellia currorii T.Anderson |
| Ruellia cyanea (Nees) T. Anderson |
| Ruellia delascioi Wassh. |
 |
Ruellia devosiana E.Morren
|
| Ruellia dielsii Mildbr. |
| Ruellia dipteracanthus (Nees) Hemsl. |
| Ruellia dissitifolia (Nees) Lindau |
| Ruellia diversifolia S.Moore |
| Ruellia donnell-smithii Leonard |
| Ruellia drummondiana (Nees) A. Gray |
| Ruellia drymophila (Diels) Hand.-Mazz. |
| Ruellia elegans Poir. |
| Ruellia epallocaulos Leonard ex C. Ezcurra & Wassh. |
| Ruellia erythropus (Nees) Lindau |
| Ruellia exostemma Lindau |
| Ruellia filicalyx Lindau |
| Ruellia floribunda Hook. |
| Ruellia foetida Willd. |
| Ruellia fulgens (Bremek.) E. Tripp |
| Ruellia fulgida Andrews |
| Ruellia geminiflora Kunth |
| Ruellia geniculata (Nees) Benoist |
| Ruellia glischrocalyx Lindau |
| Ruellia golfodulcensis Durkee |
| Ruellia haenkeana (Nees) Wassh. |
| Ruellia harveyana Stapf |
| Ruellia hookeriana (Nees) Hemsl. |
| Ruellia humboldtiana (Nees) Lindau |
| Ruellia humifusa (Oerst.) Hemsl. |
| Ruellia hygrophila Mart. |
| Ruellia hygrophiloides (Nees) Hemsl. |
| Ruellia hypericoides (Nees) Lindau |
| Ruellia inflata Rich. |
| Ruellia intermedia Leonard |
| Ruellia inundata Kunth |
| Ruellia jaliscana Standl. |
| Ruellia jimulcensis Villarreal |
| Ruellia jussieuoides Schltdl. & Cham. |
| Ruellia kleinii C.Ezcurra & Wassh. |
| Ruellia lactea Cav. |
| Ruellia lanatoviscosa (Nees) Hemsl. |
| Ruellia lasiostachya Leonard |
| Ruellia latibracteata D.N. Gibson |
| Ruellia laxa (Nees) Lindau |
| Ruellia leucantha Nees |
| Ruellia leucantha subsp. postinsularis (Gentry) T.F. Daniel |
| Ruellia leucobracteatus Durkee |
| Ruellia liesneri Wassh. |
| Ruellia longepetiolata (Oerst.) Hemsl. |
| Ruellia longipedunculata Lindau |
| Ruellia longituba D.N. Gibson |
| Ruellia macrophylla Vahl |
| Ruellia macrosiphon (Nees) Lindau |
| Ruellia macrosolen Lillo |
| Ruellia magniflora C.Ezcurra |
| Ruellia malaca Leonard |
| Ruellia matagalpae Lindau |
| Ruellia matudae Leonard |
| Ruellia maya T.F. Daniel |
| Ruellia menthoides (Nees) Hiern |
| Ruellia metallica Leonard |
| Ruellia metziae Tharp |
| Ruellia microcalyx (Nees) Lindau |
| Ruellia mollis (Nees) Lindau |
| Ruellia monanthos (Nees) Bojer ex T. Anderson |
| Ruellia monanthos var. nummulariifolia (Nees) Benoist |
| Ruellia morongii Britton |
| Ruellia multifolia (Nees) Lindau |
| Ruellia neoneesiana Wassh. |
| Ruellia nitida (Nees) Wassh. & J.R.I. Wood |
| Ruellia nobilis (S. Moore) Lindau |
| Ruellia noctiflora (Nees) A. Gray |
| Ruellia nudiflora (Engelm. & A. Gray) Urb. |
| Ruellia oaxacana Leonard |
| Ruellia occidentalis (A. Gray) Tharp & F.A. Barkley |
| Ruellia otaviensis P.G.Mey. |
| Ruellia ovalifolia (Oerst.) Hemsl. |
| Ruellia palustris Durkee |
| Ruellia paniculata L. |
| Ruellia parryi A. Gray |
| Ruellia parva Lindau |
| Ruellia patula Jacq. |
| Ruellia pedunculata Torr. ex A. Gray |
| Ruellia pedunculata subsp. pinetorum (Fernald) R.W. Long |
| Ruellia pedunculosa (Nees) Lindau |
| Ruellia peninsularis (Rose) I.M. Johnst. |
| Ruellia pereducta Standl. |
| Ruellia petiolaris (Nees) T.F. Daniel |
| Ruellia phyllocalyx Lindau |
| Ruellia pilosa (Nees) Pav. ex Nees |
| Ruellia pittieri Lindau |
| Ruellia praeclara Standl. |
| Ruellia praetermissa Schweinf. ex Lindau |
| Ruellia primuloides Heine |
| Ruellia proxima Lindau |
| Ruellia pterocaulon Leonard |
| Ruellia puberula (Leonard) Tharp & F.A. Barkley |
| Ruellia pulverulenta Leonard |
| Ruellia puri Mart. ex Nees |
| Ruellia putumayensis Leonard |
| Ruellia pygmaea Donn. Sm. |
| Ruellia rauhii Wassh. |
| Ruellia reitzii Wassh. & L.B.Sm. |
| Ruellia rivularis (Benoist) Boivin ex Benoist |
| Ruellia rosea (Nees) Hemsl. |
| Ruellia rubra Aubl. |
| Ruellia ruiziana (Nees) Lindau |
| Ruellia runyonii Tharp & F.A. Barkley |
| Ruellia saeri Llamozas |
| Ruellia salmeronensis Llamozas |
| Ruellia sanguinea Griseb. |
| Ruellia schaueriana (Nees) Lindau |
| Ruellia schlechtendaliana (Nees) Hemsl. |
| Ruellia simplex C.Wright |
| Ruellia sindica Ghafoor & Heine |
| Ruellia solitaria Vell. |
| Ruellia speciosa (Nees ex A. DC.) Lindau |
| Ruellia spissa Leonard |
| Ruellia sprucei Lindau |
| Ruellia standleyi Leonard |
| Ruellia stemonacanthoides (Oerst.) Hemsl. |
| Ruellia steyermarkii Wassh. |
| Ruellia subcapitata (Nees) Hemsl. |
| Ruellia tarapotana Lindau |
| Ruellia terminale (Nees) Wassh. |
| Ruellia tessmannii Mildbr. |
| Ruellia togoensis (Lindau) Heine |
| Ruellia tuberosa L. |
| Ruellia tubiflora Kunth |
| Ruellia tubiflora var. tetrastichantha (Lindau) Leonard |
| Ruellia turbaxensis (Nees) Benth. |
| Ruellia tweediana Griseb. |
| Ruellia violacea Aubl. |
| Ruellia willdenoviana (Nees) Lindau ex Rusby |
| Ruellia woolstonii C. Ezcurra |
| Ruellia wurdackii Wassh. |
| Ruellia yurimaguensis Lindau |