All Species in Tetradymia
- Fourpart Horsebrush (Tetradymia tetrameres)
- Hairy Horsebrush (Tetradymia comosa)
- Littleleaf Horsebrush (Tetradymia glabrata)
- Longspine Horsebrush (Tetradymia axillaris)
- Mojave Cottonthorn (Tetradymia stenolepis)
- Nuttall's Horsebrush (Tetradymia nuttallii)
- Shortspine Horsebrush (Tetradymia spinosa)
- Spineless Horsebrush (Tetradymia canescens)
- Striped Cottonthorn (Tetradymia argyraea)
- Threadleaf Horsebrush (Tetradymia filifolia)