Taxon Report
Limnanthes floccosa Howell ssp. floccosawoolly meadowfoam |
 © 2021 Scot Loring |
Taxon Summary
Limnanthes floccosa ssp. floccosa, commonly known as woolly meadowfoam, is a annual herb in the Limnanthaceae that is found in California and elsewhere. It occurs within Chaparral, Cismontane woodland, Valley and foothill grassland, and Vernal pools, growing at elevations from 60 to 1335 meters. Limnanthes floccosa ssp. floccosa is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.Classification
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Scientific Name: |
Limnanthes floccosa Howell ssp. floccosa |
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Common Name: |
woolly meadowfoam |
| Family: | Limnanthaceae |
| Element Code: | PDLIM02043 |
| USDA Plants Symbol: | LIFLF |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-May(Jun) | Mar-May(Jun) |
| Elevation: | 60-1335 (195-4380) |
| General Habitats: | Chaparral, Cismontane woodland, Valley and foothill grassland, Vernal pools |
| Microhabitat: | Vernally Mesic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.2 |
| Global Rank: | G4T4 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 54 |
| Element Occurrence Ranks: | |
| Excellent (A) | 9 |
| Good (B) | 18 |
| Fair (C) | 9 |
| Poor (D) | 2 |
| None (X) | 0 |
| Unknown (U) | 16 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Butte (BUT), Lake (LAK), Lassen (LAS), Napa (NAP), Shasta (SHA), Siskiyou (SIS), Tehama (TEH), Trinity (TRI) | |
| Quads: Name (Quad Code) | |
| Acorn Hollow (4012118), Balls Ferry (4012242), Beegum (4012237), Bella Vista (4012262), Bend (4012232), Bieber (4112112), Big Bend (4112118), Burney (4012186), Burney Falls (4112116), Cable Mtn. (4012183), Campbell Mound (3912187), Cassel (4012185), Chickabally Mtn. (4012236), Clearlake Highlands (3812286), Clough Gulch (4012251), Cold Fork (4012226), Dales (4012231), Dana (4112115), Detert Reservoir (3812265), Dewitt Peak (4012128), Finley Butte (4012137), Hagaman Gulch (4012157), Hayfork (4012352), Inskip Hill (4012138), Inwood (4012158), Kelseyville (3812287), Los Molinos (4012211), Lowrey (4012215), Mineral (4012135), Montague (4112265), Nord (3912178), Oak Run (4012261), Olinda (4012244), Palermo (3912145), Palo Cedro (4012252), Panther Spring (4012127), Platina (4012238), Red Bluff East (4012222), Richardson Springs (3912177), Richardson Springs NW (3912188), Roaring Creek (4012188), Tuscan Springs (4012221), Viola (4012156), Yreka (4112266) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 34 | 63 % | |
| Grazing | 23 | 42% |
| Logging | 9 | 16% |
| Wood cutting or brush clearing | 7 | 12% |
| Development | 5 | 9% |
| Other | 4 | 7% |
| Road/trail construction/maint. | 4 | 7% |
| Dam/Inundation | 4 | 7% |
| ORV activity | 2 | 3% |
| Vandalism/dumping/litter | 2 | 3% |
| Altered flood/tidal/hydrologic regime | 1 | 1% |
Selected References
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Brittonia 25:177-193 (1973) |
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Limnanthes floccosa ssp. floccosa profile for potential Species of Conservation Concern evaluation (2018) |
| 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 27 January 2025].