Taxon Report
Limnanthes douglasii R. Br. ssp. ornduffii E.G. BuxtonOrnduff's meadowfoam |
 © 2021 Eva Buxton |
Classification
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Scientific Name: |
Limnanthes douglasii R. Br. ssp. ornduffii E.G. Buxton |
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Common Name: |
Ornduff's meadowfoam |
| Family: | Limnanthaceae |
| Element Code: | PDLIM02039 |
| USDA Plants Symbol: | LIDOO |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Nov-May | Nov-May |
| Elevation: | 10-20 (35-65) |
| General Habitats: | Meadows and seeps |
| Microhabitat: | |
| Microhabitat Details: | Agricultural fields |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G4T1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_UCSC |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 2 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| San Mateo (SMT) | |
| Quads: Name (Quad Code) | |
| Montara Mountain (3712254) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 50 % | |
| Agriculture | 1 | 50% |
| Disking | 1 | 50% |
| Non-native plant impacts | 1 | 50% |
Notes
| Restricted to a single agricultural field in SMT Co. Tetramerous flowers place it with L. macounii from Canada, but molecular data place it within L. douglasii. See Madroño 45(2):184 (1998) for first record of occurrence in CA, Systematic Botany 35(3):552-558 (2010) for molecular phylogeny, and Madroño 60(3):229-235 (2013) for original description. |
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Threats: |
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Taxonomy: |
Selected References
| CRPR List Addition on 2014-03-18 |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].