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Bering hairgrass

Scientific Name: Deschampsia brevifolia

Family: Poaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Bering Hairgrass (Deschampsia brevifolia & Deschampsia beringensis)

Bering Hairgrass refers to several closely related species within the Deschampsia genus, all belonging to the grass family (Poaceae). This content addresses information related to both Deschampsia brevifolia and Deschampsia beringensis.

Taxonomy and Nomenclature

  • Scientific Name: Deschampsia brevifolia R. Br., Deschampsia beringensis Hultén, Deschampsia cespitosa
  • Common Names: Bering hairgrass, Bering's tufted hairgrass, shortleaf hairgrass, Melville Island hairgrass, tufted hairgrass, tussock grass.
  • Genus: Deschampsia
  • Family: Poaceae (Grass family)
  • Synonyms: Bering tufted hairgrass (ITIS, 2010) is a synonym for: Deschampsia cespitosa subsp. beringensis (Hultn) W.E. Lawr.
  • Subspecies:
    • Deschampsia cespitosa subsp. brevifolia (R. Br.) Tzvelev (Bering hairgrass)
    • Deschampsia cespitosa subsp. cespitosa (L.) Beauv. (tufted hairgrass)

Distribution and Habitat

  • Bering hairgrass is found in wet or boggy situations.
  • Experiments involving D. beringensis have been conducted in Iceland.

Morphological Characteristics and Growth Habits

  • Bering hairgrass is a cool-season bunch grass.
  • Deschampsia brevifolia is described as a perennial graminoid.

Ecological Role

  • In some areas, Bering hairgrass is a less palatable grass species, indicating its role in plant succession.

Interactions with Other Organisms

  • Bering hairgrass was found to be marginally less preferred by animals compared to Kentucky bluegrass in palatability trials.
  • It exhibits higher ice tolerance compared to other grass species like cocksfoot and perennial ryegrass.

Further Information

  • The Plant List
  • Discover Life
  • TERMIUM (Government of Canada's terminology and linguistic data bank)
  • Alaska Plant Materials Center
  • Garden Guides

Quirky Facts

  • 'Norcoast' Bering hairgrass was released in 1981 by the University.
  • In an experiment on peaty soil in W. Iceland in 1978-82, Deschampsia beringensis produced on average 1.31 t/ha more DM annually than Phleum pratense cv..