| Tetradymia | |
|---|---|
| |
| Tetradymia axillaris | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Senecioneae |
| Genus: | Tetradymia DC. |
| Type species | |
| Tetradymia canescens[1] | |
Tetradymia is a genus of North American shrubs in the groundsel tribe within the sunflower family.[1][2][3][4] Horsebrush is a common name for plants in this genus.[5]
- Tetradymia argyraea - CA (Riverside + San Bernardino Cos), AZ (Mohave Co), NV (Clark Co)
- Tetradymia axillaris - CA AZ NV UT
- Tetradymia canescens - BC WA ID MT WY OR CA NV UT CO AZ NM
- Tetradymia comosa - CA NV
- Tetradymia filifolia - NM
- Tetradymia glabrata - CA NV UT OR ID
- Tetradymia nuttallii - NV UT CO WY
- Tetradymia spinosa - CA OR NV ID UT MT WY CO NM
- Tetradymia stenolepis - CA NV AZ
- Tetradymia tetrameres - NV CA (Mono Co)
- formerly included[6]
- ^ a b Candolle, Augustin Pyramus de, 1838. Prodromus Systematis Naturalis Regni Vegetabilis 6: 440 in Latin
- ^ Tropicos, Tetradymia DC.
- ^ Flora of North America. "Senecioneae". Family List. 20: 540. Retrieved 2009-08-07.
- ^ Botanic Garden and Botanical Museum Berlin-Dahlem. "Details for: Senecioneae". Euro+Med PlantBase. Freie Universität Berlin. Retrieved 2009-08-07.
- ^ USDA, NRCS (n.d.). "Tetradymia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 8 December 2015.
- ^ a b Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-06 at archive.today
- ^ The Plant List search for Tetradymia
- ^ Biota of North America Program 2013 county distribution maps
- ^ Strother, J. L. 1974. Taxonomy of Tetradymia (Compositae: Senecioneae). Brittonia 26: 177–202.