Poa cusickii

Poa cusickii

Poa cusickii

Taxonavigation

Taxonavigation: Poales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Monocots Cladus: Commelinids Ordo: Poales

Familia: Poaceae
Subfamilia: Pooideae
Tribus: Poeae
Subtribus: Poinae
Genus: Poa
Species: Poa cusickii

Name

Poa cusickii Vasey, Contr. U.S. Natl. Herb. 1: 271 (1893)

Synonyms

• Heterotypic
  • Poa alpina var. purpurascens Beal in Grass. N. Amer. 2: 543 (1896)
  • Poa capillarifolia Scribn. & T.A.Williams in Circ. Div. Agrostol. U.S.D.A. 9: 1 (1899)
  • Poa cottonii Piper in Proc. Biol. Soc. Washington 18: 146 (1905)
  • Poa cusickii subsp. epilis (Scribn.) W.A.Weber in Phytologia 51: 375 (1982)
  • Poa cusickii var. epilis (Scribn.) C.L.Hitchc. in Vasc. Pl. Pacif. N. W. 1: 659 (1969)
  • Poa cusickii subsp. pallida Soreng in Syst. Bot. 16: 518 (1991)
  • Poa cusickii var. purpurascens (Beal) C.L.Hitchc. in Vasc. Pl. Pacif. N. W. 1: 659 (1969)
  • Poa cusickii subsp. purpurascens (Beal) Soreng in Phytologia 71: 396 (1992)
  • Poa epilis Scribn. in Circ. Div. Agrostol. U.S.D.A. 9: 5 (1899)
  • Poa filifolia Vasey in Contr. U.S. Natl. Herb. 1: 271 (1893)
  • Poa idahoensis Beal in Grass. N. Amer. 2: 539 (1896), nom. superfl.
  • Poa paddensis T.A.William in Bull. Div. Agrostol. U.S.D.A. 17(ed. 2): 261 (1901)
  • Poa purpurascens Vasey in Bot. Gaz. 6: 297 (1881), nom. illeg.
  • Poa purpurascens var. epilis (Scribn.) M.E.Jones in Contr. W. Bot. 14: 14 (1912)
  • Poa scaberrima Rydb. in Bull. Torrey Bot. Club 36: 534 (1909)
  • Poa scabrifolia A.Heller in Bull. Torrey Bot. Club 24: 310 (1897), nom. superfl.
  • Poa spillmanii Piper in Erythea 7: 102 (1899)
  • Poa subaristata Scribn. ex Beal in Grass. N. Amer. 2: 533 (1896), nom. illeg.
  • Poa subaristata var. orendensis T.A.Williams ex Pammel in Proc. Iowa Acad. Sci. 20: 144 (1915), nom. nud.
  • Poa subpurpurea Rydb. in Bull. Torrey Bot. Club 32: 606 (1905), nom. superfl.

Distribution

Native distribution areas:
Continental: Northern America Regionalː Canada Alberta, British Columbia, Manitoba, Saskatchewan, Yukon Regionalː Western USA California, Oregon, Washington Regionalː Western Central USA Colorado, Idaho, Montana, Nevada, North Dakota, Utah, Wyoming References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Vasey, G., 1893. Contributions from the United States National Herbarium. Smithsonian Institution 1:271.

Additional references

• Clayton, W.D., Harman, K.T. & Williamson, H. 2006. World Grass Species – Synonymy database. The Board of Trustees of the Royal Botanic Gardens, Kew. Available for download as an Access file from Synonymy database. Reference page. 
• Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

Links

• Govaerts, R. et al. 2025. Poa cusickii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 December 28. Reference page. 
• Tropicos.org 2025. Poa cusickii. Missouri Botanical Garden. Published online. Accessed: 28 December 2025. Reference page.
• International Plant Names Index. 2025. Poa cusickii. Published online. Accessed: December 28 2025. Reference page.
• USDA, ARS, Germplasm Resources Information Network. Poa cusickii in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: December 28. Reference page. 

Vernacular names

• English: Cusick's bluegrass

For more multimedia, look at Poa cusickii on Wikimedia Commons.