Taxon Report
Eriogonum argillosum J.T. Howellclay buckwheat |
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Taxon Summary
Eriogonum argillosum, commonly known as clay buckwheat, is a annual herb in the Polygonaceae that is found only in California. It occurs within Cismontane woodland (clay, and serpentinite), growing at elevations from 150 to 800 meters. Eriogonum argillosum is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.Classification
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Scientific Name: |
Eriogonum argillosum J.T. Howell |
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Common Name: |
clay buckwheat |
| Family: | Polygonaceae |
| Element Code: | PDPGN080J0 |
| USDA Plants Symbol: | ERAR9 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-Jun | Mar-Jun |
| Elevation: | 150-800 (490-2625) |
| General Habitats: | Cismontane woodland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G3G4 |
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State Rank: |
S3S4 |
| 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: True | |
| California Counties and Islands: Name (Code) | |
| Monterey (MNT), San Benito (SBT), Santa Clara (SCL) | |
| Quads: Name (Quad Code) | |
| Bickmore Canyon (3612152), Cherry Peak (3612162), Hollister (3612174), Monarch Peak (3612027), Nattrass Valley (3612028), Paicines (3612163), Pancho Rico Valley (3612017), Priest Valley (3612026), Rock Spring Peak (3612048), San Benito (3612151), San Jose East (3712137), Topo Valley (3612141) | |
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 1 March 2025].