Taxon Report
Eriogonum pendulum Wats.Waldo wild buckwheat |
 © 2021 Scot Loring |
Taxon Summary
Eriogonum pendulum, commonly known as Waldo wild buckwheat, is a perennial herb in the Polygonaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 230 to 1000 meters. Eriogonum pendulum is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Eriogonum pendulum Wats. |
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Common Name: |
Waldo wild buckwheat |
| Family: | Polygonaceae |
| Element Code: | PDPGN084Q0 |
| USDA Plants Symbol: | ERPE6 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Aug-Sep | Aug-Sep |
| Elevation: | 230-1000 (755-3280) |
| General Habitats: | Lower montane coniferous forest, Upper montane coniferous forest |
| Microhabitat: | Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G4 |
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State Rank: |
S2S3 |
| 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: | 28 |
| Element Occurrence Ranks: | |
| Excellent (A) | 10 |
| Good (B) | 2 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 16 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Del Norte (DNT) | |
| Quads: Name (Quad Code) | |
| Gasquet (4112378), High Divide (4112481), High Plateau Mtn. (4112388), Shelly Creek Ridge (4112387) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 15 | 54 % | |
| Mining | 11 | 39% |
| Road/trail construction/maint. | 3 | 10% |
| Improper burning regime | 2 | 7% |
| Erosion/runoff | 1 | 3% |
Selected References
| USFS Potential Species of Conservation Concern Profile |
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].