Taxon Report

Pedicularis crenulata Benth.

scalloped-leaved lousewort

Print Report

Taxon Summary

Pedicularis crenulata, commonly known as scalloped-leaved lousewort, is a perennial herb in the Orobanchaceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 2100 to 2300 meters. Pedicularis crenulata is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Pedicularis crenulata Benth.
Common Name:	scalloped-leaved lousewort
Family:	Orobanchaceae
Element Code:	PDSCR1K0A0
USDA Plants Symbol:	PECR
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	2100-2300 (6890-7545)
General Habitats:	Meadows and seeps
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)
Mono (MNO)
Quads: Name (Quad Code)
Convict Lake (3711857)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	100 %
Grazing	1	100%

Notes



Known in CA from only one occurrence near Convict Creek. Threatened by hydrological alterations. See Madroño 28(3):86 (1981) for this record.
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 5 February 2025].