Taxon Report

Sidalcea multifida Greene

cut-leaf checkerbloom

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Taxon Summary

Sidalcea multifida, commonly known as cut-leaf checkerbloom, is a perennial herb in the Malvaceae that is found in California and elsewhere. It occurs within Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, and Pinyon and juniper woodland, growing at elevations from 1750 to 2800 meters. Sidalcea multifida is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Sidalcea multifida Greene
Common Name:	cut-leaf checkerbloom
Family:	Malvaceae
Element Code:	PDMAL110G0
USDA Plants Symbol:	SIMU
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Sep	May-Sep
Elevation:	1750-2800 (5740-9185)
General Habitats:	Great Basin scrub, Lower montane coniferous forest, Meadows and seeps, Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G3
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12 added to 2.3 on 2009-01-06

Occurrence Data from the CNDDB


Total Occurrences:	32
Element Occurrence Ranks:
Excellent (A)	4
Good (B)	8
Fair (C)	1
Poor (D)	1
None (X)	0
Unknown (U)	18

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY), Lassen (LAS), Mono (MNO), Nevada (NEV), Sierra (SIE), Tulare (TUL)
Quads: Name (Quad Code)
Boca (3912041), Bonita Meadows (3611813), Cannell Peak (3511873), Chris Flat (3811944), Crag Peak (3611812), Durrwood Creek (3611814), Fairview (3511884), Haiwee Pass (3611821), Hockett Peak (3611824), Kern Lake (3611834), Monache Mountain (3611822), Quinn Peak (3611835), Sacatar Canyon (3511881), Sirretta Peak (3511883), Topaz Lake (3811965), Wendel (4012032)

Threat List Data from the CNDDB


Threat List Total:	7
EOs with Threat Listed:	Total EOs	% of EOs
	13	41 %
Grazing	6	18%
ORV activity	5	15%
Foot traffic/trampling	4	12%
Other	2	6%
Recreational use (non-ORV)	1	3%
Dam/Inundation	1	3%
Development	1	3%

Notes



Threatened by vehicles, development, trampling and grazing. See Cybele Columbiana 1:34 (1914) for original description, and University of Washington Publication in Biology 18:39-41 (1957) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2009-01-06

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].