Taxon Report

Moneses uniflora (L.) Gray

woodnymph

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Taxon Summary

Moneses uniflora, commonly known as woodnymph, is a perennial rhizomatous herb in the Ericaceae that is found in California and elsewhere. It occurs within Broadleafed upland forest, and North Coast coniferous forest, growing at elevations from 100 to 1100 meters. Moneses uniflora is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Moneses uniflora (L.) Gray
Common Name:	woodnymph
Family:	Ericaceae
Element Code:	PDPYR02010
USDA Plants Symbol:	MOUN2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: May-Aug	May-Aug
Elevation:	100-1100 (330-3610)
General Habitats:	Broadleafed upland forest, North Coast coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12 changed from 4.3 to 2.2 on 2013-02-25

Occurrence Data from the CNDDB


Total Occurrences:	7
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	7

Location


California Endemic: False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Siskiyou (SIS)
Quads: Name (Quad Code)
City of Mount Shasta (4112233), Crescent City (4112472), Fern Canyon (4112441), Hurdygurdy Butte (4112377), Orick (4112431), Rodgers Peak (4112421), Shelly Creek Ridge (4112387), Sister Rocks (4112462)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	14 %
Road/trail construction/maint.	1	14%

Notes



Previously on List 4.3; rarer than previously thought. Many occurrences historical; need field surveys.
Threats:
Potentially threatened by trail maintenance and logging.
Taxonomy:

Selected References

Proposed Rank Change from 4.3, G5 / S3.3 to 2.2, G5 / S2 (2013)

Species Plantarum 1:397 (1753)

A Manual of the Botany of the Northern United States, p. 273 (1848)

Moneses uniflora profile for potential Species of Conservation Concern evaluation (2018)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 16 November 2025].