Taxon Report
Crepis runcinata (E. James) Torr. & A. Grayfiddleleaf hawksbeard |
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Taxon Summary
Crepis runcinata, commonly known as fiddleleaf hawksbeard, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 1250 to 1975 meters. Crepis runcinata 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: |
Crepis runcinata (E. James) Torr. & A. Gray |
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Common Name: |
fiddleleaf hawksbeard |
| Family: | Asteraceae |
| Element Code: | PDAST2R0K0 |
| USDA Plants Symbol: | CRRU3 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Aug | May-Aug |
| Elevation: | 1250-1975 (4100-6480) |
| General Habitats: | Mojavean desert scrub, Pinyon and juniper woodland |
| Microhabitat: | Alkaline, Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.2 |
| Global Rank: | G5 |
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State Rank: |
S3 |
| 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: | 32 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 3 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 28 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Alpine (ALP), Inyo (INY), Lassen (LAS), Modoc (MOD), Mono (MNO), Sierra (SIE) | |
| Quads: Name (Quad Code) | |
| Reno Nw (3911968), Antelope Valley (3912063), Benton (3711874), Benton Hot Springs (3711875), Big Alkali (3811922), Big Swamp (4112121), Bishop (3711834), Bodie (3811921), Chidago Canyon (3711854), Deep Springs Lake (3711831), Eagle Peak (4112032), Evans Canyon (3912061), Fish Slough (3711844), Indian Meadows (3711886), Lauer Reservoir (4112064), Loyalton (3912062), Lundy (3811912), Markleeville (3811967), McGinty Point (4112074), McGinty Reservoir (4112075), Mt. Barcroft (3711852), Observation Peak (4012072), Old Mammoth (3711868), Pease Flat (4112085), River Spring (3711885), Rovana (3711845), Shoshone (3511683), Sugar Hill (4112073), Watterson Canyon (3711866), West of Willow Ranch (4112084), Whitmore Hot Springs (3711867) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 9 % | |
| Grazing | 2 | 6% |
| ORV activity | 1 | 3% |
| Road/trail construction/maint. | 1 | 3% |
Notes
| Subspecies hallii previously CRPR 2B.1; taxonomic distinctiveness of sspp. Is not supported; needs genetic, cytological, and morphological study. Threatened by grazing, vehicles, and groundwater drawdown. See An Account of an Expedition from Pittsburgh to the Rocky Mountains 1:453 (1823) for original description, Flora of North America: Exogenous or Dicotyledonous Plants 2(3):487 (1843) for taxonomic treatment, and Publications of the Carnegie Institute of Washington 504:104-107 (1938) for original description of all sspp. Documented in CA. |
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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 27 February 2025].