Topic summary
Tetradymia
Tetradymia is a genus of North American shrubs in the groundsel tribe within the sunflower family. Horsebrush is a common name for plants in this genus.
- Species
- Tetradymia argyraea - CA (Riverside + San Bernardino Cos), AZ (Mohave Co), NV (Clark Co)
- Tetradymia axillaris - CAAZNVUT
- Tetradymia canescens - BCWAIDMTWYORCANVUTCOAZNM
- Tetradymia comosa - CANV
- - NM
- Tetradymia glabrata - CANVUTORID
- Tetradymia nuttallii - NVUTCOWY
- Tetradymia spinosa - CAORNVIDUTMTWYCONM
- Tetradymia stenolepis - CANVAZ
- Tetradymia tetrameres - NVCA (Mono Co)
- Formerly included
See Lepidospartum and Psathyrotes.