Taxon Details

Argyrochosma limitanea ssp. limitanea

southwestern false cloak-fern

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Taxon Summary:

Argyrochosma limitanea ssp. limitanea, commonly known as southwestern false cloak-fern, is a perennial rhizomatous herb in the Pteridaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland (carbonate, and rocky), growing at elevations from 1800 to 1800 meters. Argyrochosma limitanea ssp. limitanea is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Argyrochosma limitanea (Maxon) Windham ssp. limitanea
Common Name: southwestern false cloak-fern
Family:	Pteridaceae
Element Code:	PPADI0N051
USDA Plants Symbol:	ARLIL
Synonyms/Other Names: Notholaena limitanea var. limitanea Cheilanthes limitanea Maxon var. limitanea Argyrochosma limitanea var. limitanea
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	None
Global Rank:	G4G5T3T4
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	1984-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Apr-Oct

Elevation:
1800 - 1800 meters
5905 - 5905 feet

General Habitats:

Pinyon and juniper woodland (carbonate, rocky)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA only from the New York Mtns. See American Fern Journal 9:70 (1919) for original description, Madroño 25(1):55 (1978) for first CA collection, Phytologia 41(6):431-437 (1979) for nomenclature, and American Fern Journal 77:37-41 (1987) for revised nomenclature.
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	1
Recent <=20 Years	0

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), New Mexico (NM), Sonora, Mexico (SO), Utah (UT)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Ivanpah (3511533)

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