Species Details

Poa atropurpurea

San Bernardino blue grass

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Scientific Name:
Poa atropurpurea Scribn.
Common Name:
San Bernardino blue grass
Family: Poaceae
Element Code: PMPOA4Z0A0
USDA Plants Symbol: POAT
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: (Apr)May-Jul(Aug)
Elevation:
1360 - 2455 meters
4460 - 8055 feet
General Habitat:
  • Meadows and seeps (mesic)
General Micro Habitat:
Micro Habitat:
Notes:
Known from approximately twenty occurrences in the San Bernardino Mtns. (SBD Co.) and Laguna Mtns. (SDG Co.). Threatened by development, grazing, hydrological alterations, mining, recreational activities, and vehicles, and potentially by hybridization with non-native P. pratensis.
Threats:
Taxonomy:
Other:
Total Occurrences: 27
Element Occurrence Ranks:
A B C D X U
0 7 2 2 0 16
Occurrence Status:
Historical >20 Years 19
Recent <=20 Years 8
Presence:
Presumed Extant 27
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Big Bear City (3411637), Big Bear Lake (3411628), Cuyamaca Peak (3211685), Descanso (3211675), Fawnskin (3411638), Julian (3311615), Monument Peak (3211684), Moonridge (3411627), Mount Laguna (3211674), Onyx Peak (3411626), Palomar Observatory (3311637)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads