Taxon Report

Sidalcea hickmanii Greene ssp. parishii (Rob.) C.L. Hitchc.

Parish's checkerbloom

Print Report


Taxon Summary

Sidalcea hickmanii ssp. parishii, commonly known as Parish's checkerbloom, is a perennial herb in the Malvaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 1000 to 2499 meters. Sidalcea hickmanii ssp. parishii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Sidalcea hickmanii Greene ssp. parishii (Rob.) C.L. Hitchc.
Common Name:
Parish's checkerbloom
Family: Malvaceae
Element Code: PDMAL110A3
USDA Plants Symbol: SIHIP
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: (May)Jun-Aug (May)Jun-Aug
Elevation: 1000-2499 (3280-8200)
General Habitats: Chaparral, Cismontane woodland, Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 24
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 1
   Fair (C) 3
   Poor (D) 4
   None (X) 0
   Unknown (U) 16
California Endemic:  True
California Counties and Islands: Name (Code)
Kern (KRN), San Bernardino (SBD), San Luis Obispo (SLO), Santa Barbara (SBA)
Quads: Name (Quad Code)
Bates Canyon (3411988), Big Bear Lake (3411628), Big Pine Mtn. (3411966), Butler Peak (3411731), Forest Falls (3411618), Hurricane Deck (3411977), La Panza (3512032), Lake Isabella South (3511854), Moonridge (3411627), Peak Mountain (3411987), San Rafael Mtn. (3411967), Yucaipa (3411711)

Threat List Data from the CNDDB

Threat List Total: 12
EOs with Threat Listed: Total EOs % of EOs
13 54 %
Other 7 29%
Road/trail construction/maint. 7 29%
Grazing 5 20%
Erosion/runoff 4 16%
Foot traffic/trampling 3 12%
Non-native plant impacts 2 8%
ORV activity 1 4%
Recreational use (non-ORV) 1 4%
Biocides 1 4%
Development 1 4%
Vandalism/dumping/litter 1 4%
Wood cutting or brush clearing 1 4%

Notes

Threatened by urbanization, recreational activities, vegetation/fuels management, fire suppression, grazing, trampling, and road maintenance.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 May 2025].