Taxon Details
Limnanthes douglasii ssp. ornduffii
Ornduff's meadowfoam
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© 2021 Eva Buxton |
© 2021 Eva Buxton |
© 2021 Eva Buxton |
Taxon Summary:
Limnanthes douglasii ssp. ornduffii, commonly known as Ornduff's meadowfoam, is a annual herb in the Limnanthaceae that is found only in California. It occurs within Meadows and seeps, growing at elevations from 10 to 20 meters. Limnanthes douglasii ssp. ornduffii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Limnanthes douglasii R. Br. ssp. ornduffii E.G. Buxton |
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Common Name: Ornduff's meadowfoam |
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| Family: | Limnanthaceae | |
| Element Code: | PDLIM02039 | |
| USDA Plants Symbol: | LIDOO | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4T1 |
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State Rank: |
S1 |
| Other Status: | SB_UCSC |
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CRPR Changes: added to 1B.1 on 2014-03-18 |
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| Add Date: | 2014-03-18 |
| Date Edited: | 2022-02-01 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Nov-May
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Elevation:
10 - 20 meters 35 - 65 feet |
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General Habitats:
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| Microhabitat Details: Agricultural fields | ||||||||||||||
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Microhabitat:
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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: |
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| Threat List Total: | 3 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 50 % |
| THREAT LIST: | ||
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| Agriculture | 1 | 50% |
| Disking | 1 | 50% |
| Non-native plant impacts | 1 | 50% |
| Total Occurrences: | 2 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 1 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
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| Presumed Extant | 1 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) San Mateo (SMT) |
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Quads: Name (Quad Code) Montara Mountain (3712254) |
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Notes:
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Presumed Extant
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