Taxon Report

Sphaeralcea munroana (Dougl.) Spach

Munro's desert mallow

Print Report

Taxon Summary

Sphaeralcea munroana, commonly known as Munro's desert mallow, is a perennial herb in the Malvaceae that is found in California and elsewhere. It occurs within Great Basin scrub, growing at elevations from 2000 to 2000 meters. Sphaeralcea munroana is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Sphaeralcea munroana (Dougl.) Spach
Common Name:	Munro's desert mallow
Family:	Malvaceae
Element Code:	PDMAL140F0
USDA Plants Symbol:	SPMU2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jun	May-Jun
Elevation:	2000-2000 (6560-6560)
General Habitats:	Great Basin scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G4
State Rank:	S1
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Placer (PLA)
Quads: Name (Quad Code)
Tahoe City (3912022)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Known in CA only from Squaw Creek. See Proceedings of the American Academy of Arts and Sciences 22:292 (1887) for revised nomenclature, and University of California Publications in Botany 19(1):83-85 (1935) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

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].