Species Details

Downingia pusilla

dwarf downingia

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Classification

Scientific Name: Downingia pusilla (D. Don) Torr.
Common Name: dwarf downingia
Family:	Campanulaceae
Element Code:	PDCAM060C0
USDA Plants Symbol:	DOPU3
Synonyms/Other Names: Downingia humilis (Greene) Greene

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	GU
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-May

Elevation:
1 - 445 meters
5 - 1460 feet

General Habitats:

Valley and foothill grassland (mesic)
Vernal pools

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by urbanization, development, agriculture, grazing, non-native plants, vehicles, and industrial forestry.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	19
	Total EOs	% of EOs
EOs with Threat Listed:	81	61 %
Grazing	49	37%
Development	39	29%
Agriculture	13	9%
Other	10	7%
ORV activity	7	5%
Non-native plant impacts	6	4%
Road/trail construction/maint.	6	4%
Erosion/runoff	6	4%
Disking	5	3%
Foot traffic/trampling	3	2%
Dam/Inundation	3	2%
Surface water diversion	2	1%
Biocides	2	1%
Improper burning regime	1	0%
Mining	1	0%
Vandalism/dumping/litter	1	0%
Over-collecting/poaching	1	0%
Pollution	1	0%
Recreational use (non-ORV)	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					132
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

Location

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory