Species Details

Downingia pusilla

dwarf downingia

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Photo of Downingia pusilla
© 2013 Aaron Arthur
Photo of Downingia pusilla
© 2012 Jake Ruygt
Photo of Downingia pusilla
© 2011 Dylan Neubauer
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: GU
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1980-01-01
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: Mar-May
JFMAMJJASOND
Elevation:
1 - 445 meters
5 - 1460 feet
General Habitats:
  • Valley and foothill grassland (mesic)
  • Vernal pools
Microhabitat Details:
Microhabitat:
Notes:
Threatened by urbanization, development, agriculture, grazing, non-native plants, vehicles, and industrial forestry.
Threats:
Taxonomy:
Threat List Total: 19
Total EOs % of EOs
EOs with Threat Listed: 81 61 %
THREAT LIST:
Grazing 49 37%
Development 39 29%
Agriculture 13 9%
Other 10 7%
ORV activity 7 5%
Total Occurrences: 132
Element Occurrence Ranks:
A B C D X U
13 50 10 6 7 46
Occurrence Status:
Historical >20 Years 97
Recent <=20 Years 35
Presence:
Presumed Extant 125
Possibly Extirpated 2
Presumed Extirpated 5
California Endemic:
California Island:
States: Name (Code)
California (CA), South America (SA)
California Counties and Islands: Name (Code)
Fresno (FRE), Merced (MER), Napa (NAP), Placer (PLA), Sacramento (SAC), San Joaquin (SJQ), Solano (SOL), Sonoma (SON), Stanislaus (STA), Tehama (TEH), Yuba (YUB)
Quads: Name (Quad Code)
Allendale (3812148), Antioch North (3812117), Black Butte Dam (3912273), Browns Valley (3912124), Camp Far West (3912113), Capell Valley (3812242), Clay (3812132), Cooperstown (3712065), Corning (3912282), Cuttings Wharf (3812223), Denverton (3812128), Dozier (3812137), Elk Grove (3812143), Elmira (3812138), Florin (3812144), Folsom (3812162), Friant (3611986), Galt (3812133), Gerber (4012212), Glen Ellen (3812235), Goose Creek (3812131), Healdsburg (3812257), Henleyville (3912283), Kenwood (3812245), Knights Ferry (3712076), La Grange (3712064), Lincoln (3812183), Merced (3712034), Merced Falls (3712053), Mt. George (3812232), Napa (3812233), Owens Reservoir (3712032), Pleasant Grove (3812174), Red Bluff East (4012222), Richardson Springs NW (3912188), Rio Linda (3812164), Roseville (3812173), Sears Point (3812224), Sebastopol (3812247), Sheridan (3812184), Smartville (3912123), Snelling (3712054), Sonoma (3812234), Vina (3912281), West of Gerber (4012213), Wheatland (3912114), Yosemite Lake (3712044), Yountville (3812243)
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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