Taxon Details

Pleuridium mexicanum

Mexican earthmoss

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Taxon Summary:

Pleuridium mexicanum, commonly known as Mexican earthmoss, is a moss in the Ditrichaceae that is found in California and elsewhere. It occurs within Chaparral, growing at elevations from 440 to 440 meters. Pleuridium mexicanum is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Pleuridium mexicanum Cardot
Common Name: Mexican earthmoss
Family:	Ditrichaceae
Element Code:	NBMUS5M080
USDA Plants Symbol:	PLME8
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S1
Other Status:
CRPR Changes: added to 2B.1 on 2014-07-28
Add Date:	2014-07-28
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: moss

Blooming Period:

Elevation:
440 - 440 meters
1445 - 1445 feet

General Habitats:

Chaparral

Microhabitat Details:

Microhabitat:

Sandstone

Notes

Notes: See Revue Bryologique 37:118 (1910) for original description, and The Bryologist 110(3):510-513 (2007) for information on discovery in CA.
Threats:
Taxonomy:

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)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
Santa Barbara (SBA)

Quads: Name (Quad Code)
San Marcos Pass (3411957)

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 Rare Plant Inventory