Taxon Report
Poa abbreviata R. Br. ssp. pattersonii (Vasey) A. Love, D. Love & KapoorPatterson's blue grass |
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Taxon Summary
Poa abbreviata ssp. pattersonii, commonly known as Patterson's blue grass, is a perennial herb in the Poaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, growing at elevations from 3300 to 3660 meters. Poa abbreviata ssp. pattersonii is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Poa abbreviata R. Br. ssp. pattersonii (Vasey) A. Love, D. Love & Kapoor |
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Common Name: |
Patterson's blue grass |
| Family: | Poaceae |
| Element Code: | PMPOA4Z015 |
| USDA Plants Symbol: | POABP |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jul | Jul |
| Elevation: | 3300-3660 (10825-12010) |
| General Habitats: | Alpine boulder and rock field |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.3 |
| Global Rank: | G5T5 |
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State Rank: |
S1 |
| 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: | 1 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Mono (MNO) | |
| Quads: Name (Quad Code) | |
| Juniper Mtn. (3711862) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | % | |
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Notes
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Known in CA from only one occurrence above Perry Aiken Creek in the White Mtns. See P. pattersonii |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 October 2025].