Taxon Details

Platismatia lacunosa

crinkled rag lichen

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Taxon Summary:

Platismatia lacunosa, commonly known as crinkled rag lichen, is a foliose lichen (epiphytic) in the Parmeliaceae that is found in California and elsewhere. It occurs within North Coast coniferous forest, and Riparian woodland, growing at elevations from 20 to 2000 meters. Platismatia lacunosa is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Platismatia lacunosa (Ach.) W. L. Culb. & C. F. Culb.
Common Name: crinkled rag lichen
Family:	Parmeliaceae
Element Code:	NLLEC2Q010
USDA Plants Symbol:	PLLA6
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S2?
Other Status:
CRPR Changes: added to 2B.3 on 2022-09-28
Add Date:	2022-09-28
Date Edited:	2024-03-06

Ecology and Life History

Lifeform: foliose lichen (epiphytic)

Blooming Period:

Elevation:
20 - 2000 meters
65 - 6560 feet

General Habitats:

North Coast coniferous forest
Riparian woodland

Microhabitat Details: Usually growing on Alnus

Microhabitat:

Notes

Notes:
Threats: Habitat disturbance, frequent wildfires.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	25 %
Other	1	25%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
A	B	C	D	X	U
0	0	0	0	0	4

Occurrence Status:
Historical >20 Years	4
Recent <=20 Years	0

Presence:
Presumed Extant	4
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM)

Quads: Name (Quad Code)
Blue Creek Mtn. (4112347), Fern Canyon (4112441), Iaqua Buttes (4012368), Lonesome Ridge (4112346), Owl Creek (4012358), Requa (4112451)

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 California Rare Plant Rank 2B.3, G4 / S1
Original Description:	Methododus qua Omnes Detectos Lichenes (1803)
Taxonomic Treatment:	Contributions from the United States National Herbarium 34: 449–558
Other:	Species Fact Sheet for Survey and Manage Species: Platismatia lacunosa. Bureau of Land Management and USDA Forest Service.
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory