Syn.: Covillea tridentata (Sessé et Moc. ex DC.) Vail, Larrea divaricata subsp. tridentata (Sessé et Moc. ex DC.) Felger et C. H. Lowe, Larrea mexicana Moric., Neoschroetera tridentata (Sessé et Moc. ex DC.) Briq., Schroeterella tridentata (Sessé et Moc. ex DC.) Briq., Zygophyllum tridentatum Sessé et Moc. ex DC.
Family: Zygophyllaceae R. Br.

Syn.: Clandestina squamaria (L.) Legrand, Squamaria orobanche Scop.
Family: Orobanchaceae Vent.; Scrophulariaceae Juss.

Syn.: Lathyrus albidus Eaton, Lathyrus glaucifolius Beck, Lathyrus ochroleucous Hook., orth. var., Orobus ochroleucus (Hook.) A. Br.
Family: Fabaceae Lindl.

Syn.: Stoechas officinarum Mill.
Family: Lamiaceae Lindl.

Syn.: Gnaphalium leontopodium L.
Family: Asteraceae Bercht. et J. Presl

Syn.: Nivaria aestivalis Moench, Polyanthemum aestivale (Moench) Bubani
Family: Amaryllidaceae Jaume St.-Hil.

Syn.: Erinosma vernum Herb., Galanthus vernus (L.) All., Nivaria verna (L.) Moench
Family: Amaryllidaceae Jaume St.-Hil.

Syn.: Calandrinia grayi Britton, Calandrinia pygmaea A. Gray, Claytonia parva Kuntze, Lewisia exarticulata H. St. John, Lewisia glandulosa (Rydb.) Dempster, Lewisia minima (A. Nelson) A. Nelson, Lewisia sierrae R. S. Ferris, Oreobroma aridorum (Bartlett) A. Heller, Oreobroma exarticulatum (H. St. John) Rydb., Oreobroma glandulosum Rydb., Oreobroma grayi (Britton) Rydb., Oreobroma minimum A. Nelson, Oreobroma pygmaeum (A. Gray) Howell, Talinum pygmaeum A. Gray
Family: Portulacaceae Juss.

Family: Portulacaceae Juss.

Syn.: Martagon sylvaticum Opiz
Family: Liliaceae Juss.

Syn.: Lilium andinum Nutt., nom. inval., Lilium montanum A. Nelson, Lilium umbellatum Pursh
Family: Liliaceae Juss.

Syn.: Orchis abortiva L., Epipactis abortiva All., Serapias abortiva Scop., Centrosis abortiva (L.) Sw., Ionorchis abortiva (L.) Beck
Family: Orchidaceae Juss.

Syn.: Antirrhinum alpinum L., Cymbalaria alpina (L.) Raf.
Family: Plantaginaceae Juss.; Scrophulariaceae Juss.

Syn.: Linum decurrens Kellogg, Linum lewisii f. albiflorum (Cockerell) H. St. John, Linum lyallanum Alef., Linum sibiricum var. lewisii (Pursh) Lindl., Linum perenne f. albiflorum Cockerell
Family: Linaceae S. F. Gray

Syn.: Cathartolinum earlei Small, Cathartolinum rigidum (Pursh) Small, Mesynium rigidum (Pursh) Á. Löve et D. Löve, Nezera rigida (Pursh) Nieuwl.
Family: Linaceae S. F. Gray