Taxon Report

Coscinodon arctolimnius (Steere) Steere ssp. higuchii Hastings & Deguchi

Higuchi's sieve-tooth moss

Print Report

Taxon Summary

Coscinodon arctolimnius ssp. higuchii, commonly known as Higuchi's sieve-tooth moss, is a moss in the Grimmiaceae that is . It occurs within Alpine boulder and rock field, growing at elevations from 2935 to 2935 meters. Coscinodon arctolimnius ssp. higuchii is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Coscinodon arctolimnius (Steere) Steere ssp. higuchii Hastings & Deguchi
Common Name:	Higuchi's sieve-tooth moss
Family:	Grimmiaceae
Element Code:	NBMUS96032
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	moss
Blooming Period:
Elevation:	2935-2935 (9630-9630)
General Habitats:	Alpine boulder and rock field
Microhabitat:	Dry (usually), Rocky
Microhabitat Details:	usually exposed

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	GUTU
State Rank:	S1S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 4.2 on 2014-05-13

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Tuolumne (TUO)
Quads: Name (Quad Code)
Tower Peak (3811925)

Threat List Data from the CNDDB


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

Notes



Discovered in CA by M. Hutten in 2011; known only from near Snow Lake in the Emigrant Wilderness. See The Bryologist 100(1):50-55 (1997) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2014-05-13

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].