Taxon Report
Eriogonum nudum Benth. var. murinum Rev.mouse buckwheat |
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Taxon Summary
Eriogonum nudum var. murinum, commonly known as mouse buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Valley and foothill grassland, growing at elevations from 365 to 1130 meters. Eriogonum nudum var. murinum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Eriogonum nudum Benth. var. murinum Rev. |
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Common Name: |
mouse buckwheat |
| Family: | Polygonaceae |
| Element Code: | PDPGN08495 |
| USDA Plants Symbol: | ERNUM |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Nov | Jun-Nov |
| Elevation: | 365-1130 (1200-3710) |
| General Habitats: | Chaparral, Cismontane woodland, Valley and foothill grassland |
| Microhabitat: | Sandy |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G5T2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 11 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 2 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 9 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Tulare (TUL) | |
| Quads: Name (Quad Code) | |
| Case Mountain (3611847), Dennison Peak (3611837), Giant Forest (3611857), Kaweah (3611848), Shadequarter Mtn. (3611858) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 27 % | |
| Road/trail construction/maint. | 2 | 18% |
| Grazing | 1 | 9% |
| Non-native plant impacts | 1 | 9% |
| Other | 1 | 9% |
Notes
| Known from fewer than twenty occurrences; some degraded by road improvements along General's Highway. Sequoia-Kings Canyon NP has adopted species management guidelines. See Aliso 7(2):228 (1976) for original description, and Phytologia 66(4):329-332 (1989) for taxonomic treatment. |
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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 5 November 2025].