Psilostrophe

Psilostrophe
Psilostrophe cooperi
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Helenieae
Subtribe:	Tetraneurinae
Genus:	Psilostrophe DC.
Type species
Psilostrophe gnaphalodes DC.
Synonyms [1]
RiddelliaNutt.

Psilostrophe, the paperflowers ^[2] is a genus of North American plants in the sneezeweed tribe within the sunflower family. ^{[3] [4]}

Species ^{[1] [5] [6]}

• Psilostrophe bakeri Greene - ID UT WY CO
• Psilostrophe cooperi (A.Gray) Greene - CA NV AZ UT NM, Baja California, Baja California Sur, Sonora
• Psilostrophe gnaphalodes DC. - TX, San Luis Potosí, Chihuahua, Coahuila, Durango, Nuevo León, Tamaulipas, Zacatecas
• Psilostrophe mexicana R.C.Br. - Chihuahua, Durango
• Psilostrophe sparsiflora (A.Gray) A.Nelson - green-stem paperflower, AZ UT NM
• Psilostrophe tagetina (Nutt.) Greene - marigold paperflower, AZ UT NM CO TX, Chihuahua, Coahuila
• Psilostrophe villosa Rydb. ex Britton - NM TX OK KS

References

1. Flann, C (ed) 2009+ Global Compositae Checklist Archived 6 November 2014 at archive.today
2. NRCS. "Psilostrophe". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 15 October 2015.
3. Candolle, Augustin Pyramus de. 1838. Prodromus Systematis Naturalis Regni Vegetabilis 7(1): 261 in Latin
4. Tropicos, Psilostrophe DC
5. Biota of North America Program 2013 county distribution maps
6. Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100

External links

• "Genus: Psilotrophe". Germplasm Resources Information Network (GRIN). United States Department of Agriculture, Agricultural Research Service, Beltsville Area. Archived from the original on 15 January 2009. Retrieved 18 January 2008.