Species Details

Dermatocarpon meiophyllizum

silverskin lichen

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Classification

Scientific Name: Dermatocarpon meiophyllizum Vainio
Common Name: silverskin lichen
Family:	Verrucariaceae
Element Code:	NLTEST91L0
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G3G5
State Rank:	S3
Other Status:
CRPR Changes: added to 2B.3 on 2022-07-14
Add Date:	2022-07-14
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: foliose lichen (aquatic)

Blooming Period:

Elevation:
295 - 3495 meters
970 - 11465 feet

General Habitats:

Coastal prairie
Lower montane coniferous forest
North Coast coniferous forest
Subalpine coniferous forest
Upper montane coniferous forest

Microhabitat Details: Usually aquatic to semi-aquatic, within splash zone of lakes or streams. Preferred habitat is undisturbed, exposed streams with large rocks or bedrock at high elevations, but it is also found in cold, deep canyons at lower elevations.

Microhabitat:

Lake Margins
Rocky
Streambanks

Notes

Notes:
Threats:
Taxonomy: Misidentified as D. luridum in western North America until 2004. Based on ongoing molecular study (Bruce McCune, unpub.), D. meiophyllizum does not occur in western North America; lichens identified as D. meiophyllizum in CA may be an existing, undetermined Dermatocarpon sp. or a novel taxon. Dermatocarpon meiophyllizum is a placeholder with 2B status until a new name or combination becomes available.

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%
No threats

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					20
A	B	C	D	X	U
0	0	0	0	0	20

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	10

Presence:
Presumed Extant	20
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Colorado (CO), Idaho (ID), Minnesota (MN), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Alpine (ALP), Inyo (INY), Marin (MRN), Mariposa (MPA), Mono (MNO), Santa Barbara (SBA), Siskiyou (SIS), Trinity (TRI), Tuolumne (TUO)

Quads: Name (Quad Code)
Bates Canyon (3411988), Billys Peak (4112227), Boulder Peak (4112351), Dardanelles Cone (3811947), Disaster Peak (3811946), Dunderberg Peak (3811913), Kibbie Lake (3811917), Mt. Abbot (3711847), Mt. Lyell (3711963), Mt. Morgan (3711846), San Rafael (3712285), Tangle Blue Lake (4112226), Thompson Peak (4112311), Vogelsang Peak (3711973), Ycatapom Peak (4112217)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:	Proposed Addition to California Rare Plant Rank 2B.3, G4 / S3
Original Description:	Acta Societatis Pro Fauna et Flora Fennica 49 (2): 1-274 (1921).
Revised Nomenclature:	Annales Botanici Fennici 35: 59–70 (1998)
Revised Nomenclature:	Evansia 21: 137-140 (2004)
Taxonomic Treatment:	Nordic Journal of Botany 20: 605-639 (2001)