CNPS

CNPS Rare Plant Inventory

Species Details

Erythronium shastense

Shasta fawn lily

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Photo by © 2015 Len Lindstrand III max-height:128px; max-width:145px;
© 2015 Len Lindstrand III 		Photo by © 2014 Julie Kierstead Nelson max-height:128px; max-width:145px;
© 2014 Julie Kierstead Nelson 		Photo by © 2015 Len Lindstrand III max-height:128px; max-width:145px;
© 2015 Len Lindstrand III

Classification

Scientific Name:
Erythronium shastense D.A. York, J.K. Nelson, & D.W. Taylor
Common Name:
Shasta fawn lily
Family: Liliaceae
Element Code: PMLIL0U0V0
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2
State Rank:
 S2
Other Status:
CRPR Changes:
added to 1B.2 on 2015-09-14
Add Date: 2015-09-14
Date Edited: 2021-12-09

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: (Feb)Mar-Apr
Elevation:
350 - 1020 meters
1150 - 3345 feet
General Habitat:
  • Cismontane woodland
  • Lower montane coniferous forest
General Micro Habitat: north-facing or shaded, can form clumps due to bulb offsets
Micro Habitat:
  • Carbonate (usually)
  • Rocky

Notes

Notes:
Potentially threatened by hydrological alterations, development, limestone mining, trail and road construction and maintenance, non-native plants, and climate change. Possibly threatened by horticultural collecting. Previously identified, and similar to, E. californicum; also similar to E. helenae. See Madroño 62(3):158-166 (2015) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
0 11 0 0 0 3
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 14
Presence:
Presumed Extant 14
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Shasta (SHA)
Quads: Name (Quad Code)
Bollibokka Mtn. (4012282), Devils Rock (4012271), Hanland Peak (4012283), Minnesota Mtn. (4012272), O'Brien (4012273)
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

CNPS Status Review: CRPR List Addition on 2015-09-14
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 17 May 2022].