Species Details

Erythronium citrinum var. roderickii

Scott Mountains fawn lily

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Photo of Erythronium citrinum var. roderickii
© 2011 Sierra Pacific Industries
Photo of Erythronium citrinum var. roderickii
© 2012 Sierra Pacific Industries
Photo of Erythronium citrinum var. roderickii
© 2011 Sierra Pacific Industries
Scientific Name:
Erythronium citrinum Wats. var. roderickii Shevock & Allen
Common Name:
Scott Mountains fawn lily
Family: Liliaceae
Element Code: PMLIL0U042
USDA Plants Symbol: ERCIR
Synonyms/Other Names:
CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G4T3T4
State Rank:
S3S4
Other Status: SB_UCSC
CRPR Changes:
changed from 1B.3 to 4.3 on 2019-04-22
Add Date: 1994-01-01
Date Edited: 2021-12-09
Lifeform: perennial bulbiferous herb
Blooming Period: Mar-Jun
JFMAMJJASOND
Elevation:
550 - 1600 meters
1805 - 5250 feet
General Habitats:
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Rocky (often)
  • Serpentine
Notes:
Threatened by logging and vehicles. Possibly threatened by road construction and maintenance, and erosion. Not in TJM (1993). See Phytologia 71(2):101-103 (1991) for original description.
Threats:
Taxonomy:
Threat List Total: 12
Total EOs % of EOs
EOs with Threat Listed: 57 86 %
THREAT LIST:
Logging 49 74%
Road/trail construction/maint. 19 28%
Erosion/runoff 6 9%
Biocides 3 4%
Foot traffic/trampling 2 3%
Total Occurrences: 66
Element Occurrence Ranks:
A B C D X U
21 34 7 0 0 4
Occurrence Status:
Historical >20 Years 10
Recent <=20 Years 56
Presence:
Presumed Extant 66
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Shasta (SHA), Trinity (TRI)
Quads: Name (Quad Code)
Carrville (4112216), Chicken Hawk Hill (4112214), Covington Mill (4012287), Damnation Peak (4012285), Mumbo Basin (4112225), Tangle Blue Lake (4112226), Trinity Center (4012286), Whisky Bill Peak (4112215), Ycatapom Peak (4112217)
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.
Presumed Extant
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