Species Details

Cryptantha crinita

silky cryptantha

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Classification

Scientific Name: Cryptantha crinita Greene
Common Name: silky cryptantha
Family:	Boraginaceae
Element Code:	PDBOR0A0Q0
USDA Plants Symbol:	CRCR4
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; USFS_S
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-May

Elevation:
61 - 1215 meters
200 - 3985 feet

General Habitats:

Cismontane woodland
Lower montane coniferous forest
Riparian forest
Riparian woodland
Valley and foothill grassland

Microhabitat Details: streambeds

Microhabitat:

Gravelly

Notes

Notes: Threatened by vehicles and gravel mining. Possibly threatened by development, grazing and non-native plants. See Erythea 3:66 (1895) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	11
	Total EOs	% of EOs
EOs with Threat Listed:	30	53 %
ORV activity	12	21%
Grazing	9	15%
Mining	5	8%
Non-native plant impacts	5	8%
Foot traffic/trampling	5	8%
Recreational use (non-ORV)	3	5%
Road/trail construction/maint.	3	5%
Waterway bank protection/maintenance	1	1%
Other	1	1%
Altered flood/tidal/hydrologic regime	1	1%
Development	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					57
A	B	C	D	X	U
5	21	3	1	0	27

Occurrence Status:
Historical >20 Years	34
Recent <=20 Years	23

Presence:
Presumed Extant	57
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Glenn (GLE), Shasta (SHA), Tehama (TEH)

Quads: Name (Quad Code)
Balls Ferry (4012242), Barkley Mtn. (4012126), Bend (4012232), Cottonwood (4012243), Dales (4012231), Devils Parade Ground (4012116), Enterprise (4012253), Hagaman Gulch (4012157), Hooker (4012233), Inwood (4012158), Ord Ferry (3912168), Palo Cedro (4012252), Panther Spring (4012127), Project City (4012263), Red Bluff East (4012222), Red Bluff West (4012223), Richardson Springs NW (3912188), Tuscan Buttes Ne (4012241)

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

Selected References

Other:

USFS Potential Species of Conservation Concern Profile