Taxon Report

Mielichhoferia shevockii (A.J. Shaw) A.J. Shaw

Shevock's copper moss

Print Report

Taxon Summary

Mielichhoferia shevockii, commonly known as Shevock's copper moss, is a moss in the Mielichhoferiaceae that is found only in California. It occurs within Cismontane woodland (mesic, metamorphic, and rock), growing at elevations from 750 to 1400 meters. Mielichhoferia shevockii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Mielichhoferia shevockii (A.J. Shaw) A.J. Shaw
Common Name:	Shevock's copper moss
Family:	Mielichhoferiaceae
Element Code:	NBMUSA1010
USDA Plants Symbol:
Synonyms/Other Names:	Schizymenium shevockii

Ecology and Life History


Lifeform:	moss
Blooming Period:
Elevation:	750-1400 (2460-4595)
General Habitats:	Cismontane woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	6

Location


California Endemic: True
California Counties and Islands: Name (Code)
Fresno (FRE), Mariposa (MPA), Riverside (RIV), San Diego (SDG), Tulare (TUL)
Quads: Name (Quad Code)
Hume (3611878), Kernville (3511874), Kinsley (3711968), Sacate Ridge (3611982), Temecula (3311742), Wren Peak (3611877)

Threat List Data from the CNDDB


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

Notes



Occurs on rocks along roads, in same habitat as Mielichhoferia elongata. Threatened by road widening. See Systematic Botany 25(2):190 (2000) 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 25 October 2025].