Species Details

Syntrichia lithophila

Dusen's twisted moss

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Species Description:

Syntrichia lithophila, commonly known as Dusen's twisted moss, is a moss (saxicolous) in the Pottiaceae that is . It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 1280 to 1280 meters. Syntrichia lithophila is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Syntrichia lithophila (Dusén) Ochyra & R. H. Zander
Common Name: Dusen's twisted moss
Family:	Pottiaceae
Element Code:	NBMUSA2080
USDA Plants Symbol:
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S1
Other Status:
CRPR Changes: added to 2B.3 on 2023-08-25
Add Date:	2023-08-25
Date Edited:	2024-07-02

Ecology and Life History

Lifeform: moss (saxicolous)

Blooming Period:

Elevation:
1280 - 1280 meters
4200 - 4200 feet

General Habitats:

Great Basin scrub
Pinyon and juniper woodland

Microhabitat Details: On west facing shaded basaltic outcrops.

Microhabitat:

Notes

Notes:
Threats:
Taxonomy: Formerly a complex that included Syntrichia sarconeurum and S. pygmaea; these two taxa have been synonymized with S. lithophila.

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	0	0	0	1

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	1

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Modoc (MOD)

Quads: Name (Quad Code)
Copic (4112173)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Status Review:	Proposed addition to CRPR 2B.3, G4 / S1 (2023)
Original Description:	Arkiv för Botanik 6(8): 23. 8 f. 14. 9 f. 2–5. 1906
Taxonomic Treatment:	Plant and Fungal Systematics 67(2): 40–44. 2022

CNPS Rare Plant Inventory