CNPS

CNPS Rare Plant Inventory

Species Details

Cryptantha crinita

silky cryptantha

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Photo by ©2009 Sierra Pacific Industries max-height:128px; max-width:145px;
©2009 Sierra Pacific Industries 		Photo by ©2009 Sierra Pacific Industries max-height:128px; max-width:145px;
©2009 Sierra Pacific Industries 		Photo by ©2010 Steve Matson max-height:128px; max-width:145px;
©2010 Steve Matson

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 Habitat:
  • Cismontane woodland
  • Lower montane coniferous forest
  • Riparian forest
  • Riparian woodland
  • Valley and foothill grassland
General Micro Habitat: streambeds
Micro Habitat:
  • 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:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 57
Element Occurrence Ranks:
A B C D X U
5 21 3 1 0 27
Occurrence Status:
Historical >20 Years 30
Recent <=20 Years 27
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), Corning (3912282), 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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 1 July 2022].