Taxon Report
Sidalcea robusta RoushButte County checkerbloom |
 © 2010 George W Hartwell |
Classification
|
Scientific Name: |
Sidalcea robusta Roush |
|
Common Name: |
Butte County checkerbloom |
| Family: | Malvaceae |
| Element Code: | PDMAL110P0 |
| USDA Plants Symbol: | SIRO2 |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | perennial rhizomatous herb |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 90-1600 (295-5250) |
| General Habitats: | Chaparral, Cismontane woodland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
|
State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_UCSC |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 38 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 5 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 28 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Butte (BUT) | |
| Quads: Name (Quad Code) | |
| Cherokee (3912165), Chico (3912167), Cohasset (3912186), Hamlin Canyon (3912166), Paradise West (3912176), Richardson Springs (3912177) | |
Threat List Data from the CNDDB
| Threat List Total: | 12 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 9 | 24 % | |
| Grazing | 5 | 13% |
| Other | 4 | 10% |
| Development | 3 | 7% |
| ORV activity | 2 | 5% |
| Erosion/runoff | 1 | 2% |
| Foot traffic/trampling | 1 | 2% |
| Agriculture | 1 | 2% |
| Biocides | 1 | 2% |
| Recreational use (non-ORV) | 1 | 2% |
| Road/trail construction/maint. | 1 | 2% |
| Improper burning regime | 1 | 2% |
| Non-native plant impacts | 1 | 2% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 January 2025].