Taxon Report
Sphenopholis obtusata (Michx.) Scribn.prairie wedge grass |
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Taxon Summary
Sphenopholis obtusata, commonly known as prairie wedge grass, is a perennial herb in the Poaceae that is found in California and elsewhere. It occurs within Cismontane woodland, and Meadows and seeps, growing at elevations from 300 to 2000 meters. Sphenopholis obtusata is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Sphenopholis obtusata (Michx.) Scribn. |
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Common Name: |
prairie wedge grass |
| Family: | Poaceae |
| Element Code: | PMPOA5T030 |
| USDA Plants Symbol: | SPOB |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 300-2000 (985-6560) |
| General Habitats: | Cismontane woodland, Meadows and seeps |
| Microhabitat: | Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 19 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 18 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Amador (AMA), Fresno (FRE), Inyo (INY), Mono (MNO), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)?, Stanislaus (STA), Tulare (TUL) | |
| Quads: Name (Quad Code) | |
| Amador City (3812047), Bridgeport (3811932), Brush Lake (3712151), Chocolate Mtn. (3711748), Crooked Creek (3711841), Cuyamaca Peak (3211685)?, Durrwood Creek (3611814), Fairview (3511884), Fish Springs (3711813), Fontana (3411714), Jackson (3812037), Julian (3311615), Laws (3711843), Mokelumne Hill (3812036), Moonridge (3411627), Mt. Givens (3711931), Mt. Henry (3711827), Mt. Patterson (3811943), Pine Grove (3812046), San Bernardino South (3411713), Santa Ysabel (3311616), Sweetwater Creek (3811942), Tule Springs (3211686), Ward Mountain (3711828) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 5 % | |
| Non-native plant impacts | 1 | 5% |
| Recreational use (non-ORV) | 1 | 5% |
| Vandalism/dumping/litter | 1 | 5% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].