Taxon Details
Fritillaria roderickii
Roderick's fritillary
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Taxon Summary:
Fritillaria roderickii, commonly known as Roderick's fritillary, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Coastal bluff scrub, Coastal prairie, and Valley and foothill grassland, growing at elevations from 15 to 400 meters. Fritillaria roderickii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Fritillaria roderickii Knight |
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Common Name: Roderick's fritillary |
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| Family: | Liliaceae | |
| Element Code: | PMLIL0V0M0 | |
| USDA Plants Symbol: | ||
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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: | CE (1979-11-01) |
| Global Rank: | G1Q |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-01-05 |
| Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
15 - 400 meters 50 - 1310 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Plants introduced in MEN (537D) and SON counties. Threatened by road maintenance, residential development, and erosion. Taxonomic validity has been questioned; needs further study. A synonym of F. biflora var. biflora in TJM (1993) and TJM 2. USFWS uses the name F. grayana. See Four Seasons 2(2):14-16 (1967) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 38 % |
| THREAT LIST: | ||
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| Development | 1 | 12% |
| Erosion/runoff | 1 | 12% |
| Foot traffic/trampling | 1 | 12% |
| Grazing | 1 | 12% |
| Non-native plant impacts | 1 | 12% |
| Road/trail construction/maint. | 1 | 12% |
| Wood cutting or brush clearing | 1 | 12% |
| Total Occurrences: | 8 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 2 | 0 | 1 | 1 | 4 |
| Occurrence Status: | |||||
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| Historical >20 Years | 6 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
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| Presumed Extant | 7 | ||||
| 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) Mendocino (MEN), Sonoma (SON) |
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Quads: Name (Quad Code) Gualala (3812375), Laughlin Range (3912333), Philo (3912314), Point Arena (3812386)*, Saunders Reef (3812376) |
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Notes:
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Presumed Extant
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