Species Details

Erigeron lassenianus var. deficiens

Plumas rayless daisy

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Scientific Name:
Erigeron lassenianus Greene var. deficiens Cronquist
Common Name:
Plumas rayless daisy
Family: Asteraceae
Element Code: PDAST3M262
USDA Plants Symbol: ERLAD
Synonyms/Other Names:
CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G3G4T2T3
State Rank:
S2S3
Other Status: SB_UCSC
CRPR Changes:
added to 1B.3 on 2012-09-28
Add Date: 2012-09-28
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: Jun-Sep
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Elevation:
1360 - 1980 meters
4460 - 6495 feet
General Habitats:
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Disturbed areas (sometimes)
  • Gravelly
  • Serpentine (sometimes)
Notes:
Known mostly from Plumas NF. Potentially threatened by logging, vehicles, and habitat alteration. Plants on serpentinite may be unique; needs further study. See Brittonia 6(2):171 (1947) for original description.
Threats:
Taxonomy:
Threat List Total: 7
Total EOs % of EOs
EOs with Threat Listed: 19 54 %
THREAT LIST:
Logging 12 34%
ORV activity 10 28%
Road/trail construction/maint. 5 14%
Recreational use (non-ORV) 4 11%
Grazing 4 11%
Total Occurrences: 35
Element Occurrence Ranks:
A B C D X U
4 14 4 1 0 12
Occurrence Status:
Historical >20 Years 13
Recent <=20 Years 22
Presence:
Presumed Extant 35
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU), Sierra (SIE)
Quads: Name (Quad Code)
Almanor (4012122), American House (3912161), Canyondam (4012121), Caribou (4012112), Chester (4012132), Dogwood Peak (3912171), Goodyears Bar (3912058), Haskins Valley (3912172), La Porte (3912068), Meadow Valley (3912181), Milford (4012023), Onion Valley (3912078), Quincy (3912088), Twain (4012111)
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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