Greeneochloa coarctata

Greeneochloa coarctata

Taxonavigation

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

Familia: Poaceae
Subfamilia: Pooideae
Tribus: Poeae
Subtribus: Echinopogoninae
Genus: Greeneochloa
Species: G. coarctata –

Name

Greeneochloa coarctata (Eaton) P.M.Peterson, Soreng, Romasch. & Barberá, Phytoneuron 2019-39: 11. (2019)

Synonyms

• Homotypic
  • Arundo coarctata Torr. in Fl. N. Middle United States 1: 94 (1823), nom. illeg.
  • Calamagrostis coarctata Eaton in Man. Bot., ed. 5: 144 (1829)
• Homotypic
  • Agrostis glauca Muhl. in Descr. Gram.: 76 (1817)
  • Agrostis phleoides Willd. ex Steud. in Nomencl. Bot., ed. 2, 1: 41 (1840), pro syn.
  • Arundo canadensis Steud. in Nomencl. Bot., ed. 2, 1: 144 (1840), pro syn.
  • Arundo glauca Hornem. in Hort. Bot. Hafn. 1: 74 (1813), nom. illeg.
  • Calamagrostis glauca Steud. in Nomencl. Bot., ed. 2, 1: 250 (1840), nom. illeg.
  • Calamagrostis nuttalliana Steud. in Nomencl. Bot., ed. 2, 1: 251 (1840)
  • Deyeuxia nuttalliana (Steud.) Vasey in Grass. U.S.: 51 (1883)

Distribution

Native distribution areas:

Continental: Northern America Regionalː Eastern USA Alabama, Connecticut, Delaware, District of Columbia, Georgia, Kentucky, Louisiana, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode I., South Carolina, Tennessee, Virginia, West Virginia References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Peterson, P.M., Soreng, R.J., Romaschenko, K., Barberá, P., Quintanar, A. & Aedo, C. 2019. New combinations and new names in American Cinnagrostis, Peyritschia, and Deschampsia, and three new genera: Greeneochloa, Laegaardia and Paramochloa (Poeae, Poaceae). Phytoneuron 2019-39: 1–23. PDF ResearchGate Reference page. ː 11

Additional references

• Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151

Links

• Govaerts, R. et al. 2025. Greeneochloa coarctata in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 November 29. Reference page. 
• Tropicos.org 2025. Greeneochloa coarctata. Missouri Botanical Garden. Published online. Accessed: 29 November 2025. Reference page.
• International Plant Names Index. 2025. Greeneochloa coarctata. Published online. Accessed: November 29 2025. Reference page.

Vernacular names

• English: Arctic Reedgrass

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