Taxon Report
Poa piperi Hitchc.Piper's blue grass |
 © 2021 Scot Loring |
Taxon Summary
Poa piperi, commonly known as Piper's blue grass, is a perennial rhizomatous herb in the Poaceae that is found in California and elsewhere. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 100 to 1460 meters. Poa piperi is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.Classification
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Scientific Name: |
Poa piperi Hitchc. |
|
Common Name: |
Piper's blue grass |
| Family: | Poaceae |
| Element Code: | PMPOA4Z200 |
| USDA Plants Symbol: | POPI2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial rhizomatous herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 100-1460 (330-4790) |
| General Habitats: | Chaparral, Lower montane coniferous forest |
| Microhabitat: | Rocky, Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G4 |
|
State Rank: |
S3 |
| 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: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Del Norte (DNT) | |
| Quads: Name (Quad Code) | |
| Broken Rib Mtn. (4112386), Childs Hill (4112461), Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Hurdygurdy Butte (4112377), Ship Mountain (4112367) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 October 2025].