Rigiopappus

Rigiopappus is a genus of North American plants in the tribe Astereae within the family Asteraceae.[1][2][3] It is closely related to genus Pentachaeta.

Species

Rigiopappus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Astereae
Subtribe: Pentachaetinae
Genus: Rigiopappus
A.Gray
Species:
R. leptocladus
Binomial name
Rigiopappus leptocladus

The only known species is Rigiopappus leptocladus, sometimes known as wireweed. It is an annual plant sending up slender stems terminating in small daisylike yellow flowers. It is native to the western United States (California, Nevada, Oregon, Washington, Idaho).[4][5]

References
  1. Gray, Asa. 1865. Proceedings of the American Academy of Arts and Sciences 6: 548
  2. Tropicos, Rigiopappus A. Gray
  3. Flora of North America, Vol. 20 Page 48, Rigiopappus A. Gray
  4. Flann, C (ed) 2009+ Global Compositae Checklist
  5. Biota of North America Program 2013 county distribution map


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