Taxon Report
Balsamorhiza sericea W.A. Webersilky balsamroot |
 © 2021 Scot Loring |
Taxon Summary
Balsamorhiza sericea, commonly known as silky balsamroot, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, growing at elevations from 850 to 2130 meters. Balsamorhiza sericea is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Balsamorhiza sericea W.A. Weber |
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Common Name: |
silky balsamroot |
| Family: | Asteraceae |
| Element Code: | PDAST110C0 |
| USDA Plants Symbol: | BASE4 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-May(Jun-Jul) | Apr-May(Jun-Jul) |
| Elevation: | 850-2130 (2790-6990) |
| General Habitats: | Lower montane coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_BerrySB; SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 15 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 4 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 9 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Siskiyou (SIS), Trinity (TRI) | |
| Quads: Name (Quad Code) | |
| Callahan (4112237), Gazelle Mtn. (4112246), Mount Eddy (4112234), Scott Mountain (4112236), South China Mtn. (4112235), Tangle Blue Lake (4112226) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 4 | 27 % | |
| Road/trail construction/maint. | 2 | 13% |
| Improper burning regime | 1 | 6% |
| Logging | 1 | 6% |
| Other | 1 | 6% |
Selected References
| Balsamorhiza sericea account for potential Species of Conservation Concern evaluation (2021) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 November 2025].