Species Details

Trichocoronis wrightii var. wrightii

Wright's trichocoronis

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Scientific Name:
Trichocoronis wrightii (T. & G.) Gray var. wrightii
Common Name:
Wright's trichocoronis
Family: Asteraceae
Element Code: PDAST9F031
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 2B.1
Fed List: None
State List: None
Global Rank: G4T3
State Rank:
S1
Other Status:
CRPR Changes:
changed from 2.1 to 2B.1 on 2013-06-12
Add Date: 1988-01-01
Date Edited: 2022-06-08
Lifeform: annual herb
Blooming Period: May-Sep
JFMAMJJASOND
Elevation:
5 - 435 meters
15 - 1425 feet
General Habitats:
  • Meadows and seeps
  • Marshes and swamps
  • Riparian forest
  • Vernal pools
Microhabitat Details:
Microhabitat:
  • Alkaline
Notes:
Nearly extirpated in the Central Valley. Habitat lost to agriculture and urbanization. Confusion persists, but plant is probably native to CA. Rare in TX; perhaps more common in northern Mexico. Perhaps best treated as a full species distinct from TX plants.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 2 17 %
THREAT LIST:
Agriculture 1 8%
Grazing 1 8%
Total Occurrences: 12
Element Occurrence Ranks:
A B C D X U
1 1 0 1 1 8
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 3
Presence:
Presumed Extant 11
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA), Texas (TX)
California Counties and Islands: Name (Code)
Colusa (COL)*, Merced (MER), Riverside (RIV), San Joaquin (SJQ)*, Sutter (SUT)
Quads: Name (Quad Code)
Arbuckle (3912211), Dunnigan (3812188), El Casco (3311781), Grimes (3912118)*, Gustine (3712038), Kirkville (3812187)*, Lakeview (3311771), Lathrop (3712173)*, Los Banos (3712017)*, Perris (3311772), San Luis Ranch (3712027), Stevinson (3712037), Tisdale Weir (3912117), Turner Ranch (3712026)
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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