Taxon Report

Anomobryum julaceum (Schrad. ex P. Gaertn., B. Mey. & Scherb) Schimp.

slender silver moss

Print Report

Taxon Summary

Anomobryum julaceum, commonly known as slender silver moss, is a moss in the Bryaceae that is found in California and elsewhere. It occurs within Broadleafed upland forest, Lower montane coniferous forest, and North Coast coniferous forest, growing at elevations from 100 to 1000 meters. Anomobryum julaceum is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Anomobryum julaceum (Schrad. ex P. Gaertn., B. Mey. & Scherb) Schimp.
Common Name:	slender silver moss
Family:	Bryaceae
Element Code:	NBMUS80010
USDA Plants Symbol:
Synonyms/Other Names:	Anomobryum filiforme (Dicks) Solms.

Ecology and Life History


Lifeform:	moss
Blooming Period:
Elevation:	100-1000 (330-3280)
General Habitats:	Broadleafed upland forest, Lower montane coniferous forest, North Coast coniferous forest
Microhabitat:	Roadsides (usually)
Microhabitat Details:	damp rock and soil on outcrops, usually on roadcuts

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G5
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2B.2 to 4.2 on 2014-09-02 changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	13
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	11

Location


California Endemic: False
California Counties and Islands: Name (Code)
Butte (BUT), Contra Costa (CCA), Humboldt (HUM), Los Angeles (LAX), Mariposa (MPA), Monterey (MNT), San Mateo (SMT), Santa Barbara (SBA), Santa Cruz (SCR), Shasta (SHA), Sonoma (SON)
Quads: Name (Quad Code)
Antioch South (3712187), Big Basin (3712222), Clayton (3712188), Cone Peak (3612114), Diablo (3712178), El Portal (3711967), Felton (3712211), Ferndale (4012453), Igo (4012255), Las Trampas Ridge (3712271), Laurel (3712118), Mark West Springs (3812256), Pulga (3912174), San Marcos Pass (3411957), Tassajara (3712177), Walnut Creek (3712281), Waterman Mtn. (3411738), Weitchpec (4112326), Willow Creek (4012386), Yosemite Falls (3711975)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	15 %
Road/trail construction/maint.	2	15%
Erosion/runoff	1	7%

Notes



Infrequent in CA but abundant in much of its range. See Pl. Crypt. Brit. Fasc. 4:16 (1801) for original description, and Bryothr. Eur. 25:331 (1873) for revised nomenclature.
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 27 January 2025].