The following species in the flowering plant genus Ferula are accepted by Plants of the World Online. [1] Reticulate evolution, as revealed by incongruities between nuclear DNA and chloroplast DNA in some species, has led to taxonomic difficulties in this genus. [2]
Onobrychis, the sainfoins, are Eurasian perennial herbs of the legume family (Fabaceae). Including doubtfully distinct species and provisionally accepted taxa, about 150 species are presently known. The Flora Europaea lists 23 species of Onobrychis; the main centre of diversity extends from Central Asia to Iran, with 56 species – 27 of which are endemic – in the latter country alone. O. viciifolia is naturalized throughout many countries in Europe and North America grasslands on calcareous soils.
Bupleurum is a large genus of annual or perennial herbs or woody shrubs, with about 190 species, belonging to the family Apiaceae. The full size of its species may vary between a few cm to up to 3 m high. Their compound umbels of small flowers are adorned with bracteoles that are sometimes large and may play a role in attracting pollinators. Rare among the Apiaceae are the simple leaves, bracts, and bracteoles. The genus is almost exclusively native in the Old World Northern Hemisphere, with one species native to North America and one species native to southern Africa.
Draba is a large genus of flowering plants in the family Brassicaceae, commonly known as whitlow-grasses.
Hedysarum (sweetvetch) is a genus of the botanical family Fabaceae, consisting of about 200 species of annual or perennial herbs in Asia, Europe, North Africa, and North America.
Bunium is a genus of flowering plants in the family Apiaceae, with 45 to 50 species.
Crucianella is a genus of flowering plants in the family Rubiaceae. The species are annual herbs found from the Mediterranean to Central Asia and the Arabian Peninsula. One species is naturalized in northern California, southern Oregon, and Idaho.
Dichoropetalum is a genus of flowering plants in the carrot family.
Psephellus is a genus of flowering plants in the family Asteraceae, native to eastern Europe and western Asia. A taxonomic revision reassigned many species from Centaurea to Psephellus.
Tetrataenium is a genus of flowering plants belonging to the family Apiaceae.
Galagania is a genus of flowering plants belonging to the family Apiaceae.
Korshinskia is a genus of flowering plants belonging to the family Apiaceae. It is also in the Tribe Pleurospermeae.
Semenovia is a genus of flowering plants belonging to the family Apiaceae. It is in Subfamily Apioideae and also Tribe Tordylieae subtribe Tordyliinae.
Elwendia is a genus of flowering plants belonging to the family Apiaceae.
Elaeosticta is a genus of flowering plants belonging to the family Apiaceae.