Species Details

Calochortus dunnii

Dunn's mariposa-lily

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Scientific Name:
Calochortus dunnii Purdy
Common Name:
Dunn's mariposa-lily
Family: Liliaceae
Element Code: PMLIL0D0C0
USDA Plants Symbol: CADU
Synonyms/Other Names:
Fed List: None
State List: CR (1979-11-01)
Global Rank: G2G3
State Rank:
S2S3
CA Rare Plant Rank: 1B.2
Other Status: BLM_S; SB_CalBG/RSABG; SB_CRES; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-08-25
Lifeform: perennial bulbiferous herb
Blooming Period: (Feb)Apr-Jun
Elevation:
185 - 1830 meters
605 - 6005 feet
General Habitat:
  • Closed-cone coniferous forest
  • Chaparral
  • Valley and foothill grassland
General Micro Habitat: Sometimes metavolcanic
Micro Habitat:
  • Gabbroic (sometimes)
  • Rocky
Notes:
Threatened by development, non-native plants, and vehicles. See Proceedings of the California Academy of Sciences III 2:147 (1901) for original description.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 38
Element Occurrence Ranks:
A B C D X U
4 13 3 0 0 18
Occurrence Status:
Historical >20 Years 10
Recent <=20 Years 28
Presence:
Presumed Extant 38
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Barrett Lake (3211666), Cuyamaca Peak (3211685), Descanso (3211675), Dulzura (3211667), Jamul Mountains (3211668), Julian (3311615), Morena Reservoir (3211665), Otay Mesa (3211658), Otay Mountain (3211657), Tecate (3211656), Tule Springs (3211686), Viejas Mountain (3211676), Warners Ranch (3311626)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads