Piptatheropsis micrantha

Piptatheropsis micrantha

Piptatheropsis micrantha

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: Stipeae
Genus: Piptatheropsis
Species: Piptatheropsis micrantha

Name

Piptatheropsis micrantha (Trin. & Rupr.) Romasch., P.M.Peterson & Soreng, Taxon 60: 1713 (2011)

Synonyms

• Homotypic
  • Oryzopsis micrantha (Trin. & Rupr.) Thurb. in Proc. Acad. Nat. Sci. Philadelphia 15: 78 (1863)
  • Piptatherum micranthum (Trin. & Rupr.) Barkworth in Phytologia 74: 19 (1993)
  • Stipa divaricata Columbus & J.P.Sm. in Aliso 28: 66 (2010)
  • Urachne micrantha Trin. & Rupr. in Sp. Gram. Stipac.: 16 (1842)

Distribution

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

References

Primary references

• Romaschenko, K., Peterson, P.M. & Soreng, R.J. 2011. Phylogenetics of Piptatherum s.l. (Poaceae: Stipeae): Evidence for a new genus, Piptatheropsis, and resurrection of Patis. Taxon 60(6): 1703–1716. DOI: 10.1002/tax.606015 PDF Reference page.  60: 1713

Additional references

• Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. 2021. The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8(215): 1–10. DOI: 10.1038/s41597-021-00997-6 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. 2026. Piptatheropsis micrantha in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 January 26. Reference page. 
• International Plant Names Index. 2026. Piptatheropsis micrantha. Published online. Accessed: January 26 2026. Reference page.

Vernacular names

• English: littleseed ricegrass

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