Taxon Report
Cryptantha crinita Greenesilky cryptantha |
 ©2009 Sierra Pacific Industries |
Classification
|
Scientific Name: |
Cryptantha crinita Greene |
|
Common Name: |
silky cryptantha |
| Family: | Boraginaceae |
| Element Code: | PDBOR0A0Q0 |
| USDA Plants Symbol: | CRCR4 |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 61-1215 (200-3985) |
| General Habitats: | Cismontane woodland, Lower montane coniferous forest, Riparian forest, Riparian woodland, Valley and foothill grassland |
| Microhabitat: | Gravelly |
| Microhabitat Details: | streambeds |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; USFS_S |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 57 |
| Element Occurrence Ranks: | |
| Excellent (A) | 5 |
| Good (B) | 21 |
| Fair (C) | 3 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 27 |
| California Endemic: True | |
| 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) | |
Threat List Data from the CNDDB
| Threat List Total: | 11 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 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% |
Selected References
| USFS Potential Species of Conservation Concern Profile |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].