Taxon Report

Heuchera brevistaminea Wiggins

Laguna Mountains alumroot

Print Report

Taxon Summary

Heuchera brevistaminea, commonly known as Laguna Mountains alumroot, is a perennial rhizomatous herb in the Saxifragaceae that is found only in California. It occurs within Broadleafed upland forest, Chaparral, Cismontane woodland, and Riparian forest, growing at elevations from 1370 to 2000 meters. Heuchera brevistaminea is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Heuchera brevistaminea Wiggins
Common Name:	Laguna Mountains alumroot
Family:	Saxifragaceae
Element Code:	PDSAX0E050
USDA Plants Symbol:	HEBR3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Apr-Jul(Sep)	Apr-Jul(Sep)
Elevation:	1370-2000 (4495-6560)
General Habitats:	Broadleafed upland forest, Chaparral, Cismontane woodland, Riparian forest
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CRES
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	10
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Cuyamaca Peak (3211685), Monument Peak (3211684), Mount Laguna (3211674), Sombrero Peak (3211673)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	4	40 %
Altered flood/tidal/hydrologic regime	1	10%
Development	1	10%
Foot traffic/trampling	1	10%
Non-native plant impacts	1	10%
Vandalism/dumping/litter	1	10%

Notes



See Contributions from the Dudley Herbarium 1:100 (1929) for original description.
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 11 February 2025].