Psilostrophe

paperflower
Psilostrophe cooperi
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Helenieae[1]
Genus:	Psilostrophe DC.
Type species
Psilostrophe gnaphalodes DC.
Synonyms[1]
Riddellia Nutt.

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]

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

References

1. Flann, C (ed) 2009+ Global Compositae Checklist
2. "Psilostrophe". Natural Resources Conservation Service PLANTS Database. 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 distributiion 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 link

• "Genus: Psilotrophe". Germplasm Resources Information Network (GRIN). United States Department of Agriculture, Agricultural Research Service, Beltsville Area. Retrieved 2008-01-18.