Tetradymia

Tetradymia

Tetradymia axillaris
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Senecioneae^[1]
Genus:	Tetradymia DC.
Type species
Tetradymia canescens^[2] DC.

Tetradymia is a genus of North American shrubs in the groundsel tribe within the sunflower family.^[2]^[3]^[4]^[5] Horsebrush is a common name for plants in this genus.^[6]

Species^[1]^[7]^[8]^[9]

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^[1]

see Lepidospartum Psathyrotes

Tetradymia ramosissima - Psathyrotes ramosissima
Tetradymia squamata - Lepidospartum squamatum

References

1 2 3 Flann, C (ed) 2009+ Global Compositae Checklist
1 2 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.
↑ "Tetradymia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 8 December 2015.
↑ 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.

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