Are Equisetum and Vallea both a type of genus?
Equisetum Equisetum ( ; horsetail, snake grass, puzzlegrass) is the only living genus in Equisetaceae, a family of vascular plants that reproduce by spores rather than seeds.
Erythroxylum Erythroxylum ("Erythroxylon") is a genus of tropical flowering plants in the family Erythroxylaceae. Many of the approximately 200 species contain the drug cocaine; "Erythroxylum coca", a native of South America, is the main commercial source of cocaine and of the mild stimulant coca tea. Another species, "Erythroxylum vacciniifolium" (also known as Catuaba) is used as an aphrodisiac in Brazilian drinks and herbal medicine.