Taxon Details
Dudleya parva
Conejo dudleya
View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist
|
Taxon Summary:
Dudleya parva, commonly known as Conejo dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Coastal scrub, and Valley and foothill grassland, growing at elevations from 60 to 450 meters. Dudleya parva is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Dudleya parva Rose & Davids. |
||
|
Common Name: Conejo dudleya |
||
| Family: | Crassulaceae | |
| Element Code: | PDCRA04016 | |
| USDA Plants Symbol: | ||
|
Synonyms/Other Names: |
||
| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
|
| CA Rare Plant Rank: | 1B.2 |
| Fed List: | FT (1997-01-29) |
| State List: | None |
| Global Rank: | G1 |
|
State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
|
CRPR Changes: |
|
| Add Date: | 1974-01-01 |
| Date Edited: | 2021-12-09 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Jun
|
||||||||||||||
|
Elevation:
60 - 450 meters 195 - 1475 feet |
||||||||||||||
General Habitats:
|
||||||||||||||
| Microhabitat Details: | ||||||||||||||
Microhabitat:
|
||||||||||||||
|
Notes: Known only from the western end of Simi Hills to Conejo Grade. Threatened by horticultural collecting, recreation, vehicles, and urbanization. Potentially threatened by development. Federally-listed as D. abramsii ssp. parva; see this name in The Jepson Manual (1993). See Bulletin of the Southern California Academy of Sciences 22:5 (1923) for original description, and Madroño 30(3):191 (1983) for distributional information. |
|
|
Threats: |
|
|
Taxonomy: |
|
| Threat List Total: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 9 | 69 % |
| THREAT LIST: | ||
|---|---|---|
| Development | 6 | 46% |
| Non-native plant impacts | 5 | 38% |
| Recreational use (non-ORV) | 2 | 15% |
| Agriculture | 1 | 7% |
| ORV activity | 1 | 7% |
| Foot traffic/trampling | 1 | 7% |
| Grazing | 1 | 7% |
| Total Occurrences: | 13 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 2 | 5 | 4 | 0 | 0 | 2 |
| Occurrence Status: | |||||
|---|---|---|---|---|---|
| Historical >20 Years | 4 | ||||
| Recent <=20 Years | 9 | ||||
| Presence: | |||||
|---|---|---|---|---|---|
| Presumed Extant | 13 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
|
States: Name (Code) California (CA) |
|||||||||||||
|
California Counties and Islands: Name (Code) Ventura (VEN) |
|||||||||||||
|
Quads: Name (Quad Code) Newbury Park (3411828), Simi (3411837), Thousand Oaks (3411827) |
|||||||||||||
Notes:
|
|||||||||||||
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel