Taxon Report
Calamagrostis foliosa Kearn.leafy reed grass |
 ©2011 Zoya Akulova |
Taxon Summary
Calamagrostis foliosa, commonly known as leafy reed grass, is a perennial herb in the Poaceae that is found only in California. It occurs within Coastal bluff scrub, and North Coast coniferous forest, growing at elevations from 0 to 1220 meters. Calamagrostis foliosa is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.Classification
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Scientific Name: |
Calamagrostis foliosa Kearn. |
|
Common Name: |
leafy reed grass |
| Family: | Poaceae |
| Element Code: | PMPOA170C0 |
| USDA Plants Symbol: | CAFO |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Sep | May-Sep |
| Elevation: | 0-1220 (0-4005) |
| General Habitats: | Coastal bluff scrub, North Coast coniferous forest |
| Microhabitat: | Rocky |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.2 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | CR |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 22 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 22 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Siskiyou (SIS) | |
| Quads: Name (Quad Code) | |
| Bear Harbor (3912388), Buckeye Mtn. (4012432), Bull Creek (4012431), Cape Mendocino (4012444), Cooskie Creek (4012423), Hales Grove (3912377), Kangaroo Mtn. (4112382), Klamath Glen (4112358), Mistake Point (3912378), Petrolia (4012433), Shelter Cove (4012411), Shubrick Peak (4012422), Westport (3912367) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 23 % | |
| Grazing | 2 | 9% |
| Other | 1 | 4% |
| Recreational use (non-ORV) | 1 | 4% |
| Development | 1 | 4% |
Selected References
| Contributions from the U.S. National Herbarium 3:83 (1892) |
| Calamagrostis foliosa profile for potential Species of Conservation Concern evaluation (2018) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].