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Great Basin brome
Scientific Name: Bromus polyanthus var. paniculatus
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Great Basin Brome (Bromus polyanthus)
Great Basin brome, scientifically known as Bromus polyanthus, is a grass species with several common names.
Nomenclature and Taxonomy
- Scientific Name: Bromus polyanthus Scribn. ex Shear
- Common Names: Great Basin brome, Colorado brome, Meadow Brome, Meadow Bromegrass, Mountain Brome, Mountain Bromegrass, polyanthus brome
Distribution and Habitat
- Bromus polyanthus, as the name suggests, is primarily found in the Great Basin region of the western United States. Its range also extends into the Columbia Basin and intermountain regions.
Ecological Role
- Several other *Bromus* species are noted to be invasive in this region. Downy brome (Bromus tectorum), red brome (Bromus rubens), and other exotic annual grasses are significant agents of change in Great Basin ecosystems, often increasing fire frequency and converting shrub-steppe ecosystems to grasslands.
Associations
- Great Basin brome is mentioned in association with snowberry, Idaho fescue, chokecherry, bluegrass, and bluebunch wheatgrass.
Further Information
- Discover Life offers a page about the biology, natural history, ecology, identification and distribution of Bromus polyanthus.
- The "Guidebook to the Seeds of Native and Non-Native Grasses, Forbs and Shrubs of the Great Basin" may be a helpful resource.