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Agrostis rossiae

From Wikipedia, the free encyclopedia

Agrostis rossiae
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Agrostis
Species:
A. rossiae
Binomial name
Agrostis rossiae
Vasey[1]

Agrostis rossiae, or Ross' bentgrass, is a species of perennial[2] or annual grass[3] that is endemic to the Firehole River drainage and Shoshone Geyser Basin of Yellowstone National Park.[4][5] It is one of 3 endemic plants to the park.[6]

Range

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Endemic to the Firehole River drainage and Shoshone Geyser Basin of Yellowstone National Park.[citation needed]

Habitat and ecology

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This plant only grows in the thermal water, where the combination of moisture and warmth create a natural greenhouse.[7] Because of warmth of the ground soil, seeds tend to germinate in December or January, producing a green presence in thermal areas by late winter. Flowers tend to emerge in May or June, and by July the plants dead due to the heat from above and below.[citation needed]

Taxonomy

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There are possibly two or three species of thermal bentgrasses that may be present in Yellowstone, but more research should be conducted before a taxonomic decision is made.[8]

Conservation

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This species is listed a G1 Critically Imperiled by NatureServe, primarily threatened by the encroachment of Agrostis scabra and recreational activities.[9]

References

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  1. ^ "Agrostis rossiae Vasey". Global Biodiversity Information Facility. Retrieved 10 November 2024.
  2. ^ "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2024-11-09.
  3. ^ Mountain-Prairie, USFWS (2002-05-31), Ross' bentgrass, retrieved 2024-11-09
  4. ^ "Ross's Bentgrass - Yellowstone National Park (U.S. National Park Service)". www.nps.gov. Retrieved 2024-11-09.
  5. ^ "Agrostis hesperica". iNaturalist. Retrieved 2024-11-09.
  6. ^ Wagner, Jan (2024-07-29). "Yellowstone Wildlife". ArcGIS StoryMaps. Retrieved 2024-11-09.
  7. ^ "Old Faithful Virtual Visitor Center". www.nps.gov. Retrieved 2024-11-09.
  8. ^ Webmaster, Patrick O'Toole and David Ratz. "WY Field Guide". fieldguide.wyndd.org. Retrieved 2024-11-09.
  9. ^ "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2024-11-09.