CNPS

CNPS Rare Plant Inventory

Species Details

Calochortus greenei

Greene's mariposa-lily

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Photo by © 2013 Scot Loring max-height:128px; max-width:145px;
© 2013 Scot Loring 		Photo by © 2013 Scot Loring max-height:128px; max-width:145px;
© 2013 Scot Loring 		Photo by ©2013 Scot Loring max-height:128px; max-width:145px;
©2013 Scot Loring

Classification

Scientific Name:
Calochortus greenei Wats.
Common Name:
Greene's mariposa-lily
Family: Liliaceae
Element Code: PMLIL0D0H0
USDA Plants Symbol: CAGR
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3
State Rank:
 S2S3
Other Status: BLM_S; SB_BerrySB; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-08-25

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: Jun-Aug
Elevation:
1035 - 1890 meters
3395 - 6200 feet
General Habitat:
  • Cismontane woodland
  • Meadows and seeps
  • Pinyon and juniper woodland
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Volcanic

Notes

Notes:
Threatened by development, horticultural collecting, grazing, vehicles, and competition. Candidate for state listing in OR. See Proceedings of the American Academy of Arts and Sciences 14:264 (1879) for original description, and Proceedings of the California Academy of Sciences III 2:129 (1901) for taxonomic treatment.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 50
Element Occurrence Ranks:
A B C D X U
22 11 8 4 0 5
Occurrence Status:
Historical >20 Years 29
Recent <=20 Years 21
Presence:
Presumed Extant 50
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Mule Hill (4212212), Parker Mtn. (4212213), Bogus Mountain (4112274), Copco (4112283), Dewey Gulch (4112273), Hawkinsville (4112275), Hornbrook (4112285), Iron Gate Reservoir (4112284), Panther Rock (4112272), Secret Spring Mtn. (4112282), Solomons Temple (4112263)
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.
Regional Map

Map

Presumed Extant
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 4 July 2022].