Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Pea-green Scale Lichen - Psora rubiformis

Image Copyright and Usage Information
Potential Species of Concern
Native Species

Global Rank: G3G5
State Rank: S1S2
(see State Rank Reason below)


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
In Montana widely scattered populations have been found in northwest, southwest, and southeast.
 
General Description
Thallus squamulose, pale yellowish green to pale brownish green; squamules ascending, more or less imbricate, and 1-3(4) mm in diameter (McCune and Goward 1995).

Diagnostic Characteristics
Historically this name was widely mis-applied. Specimens should be verified by a lichenologist.

Observations in Montana Natural Heritage Program Database
Number of Observations: 5

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
On soil and in fissures of rock in alpine sites.

Reproductive Characteristics
Reproduction is by spores from apothecia.


Threats or Limiting Factors
Climate change.

References
Login Logout

Take us with you! PDF icon

Look for this PDF icon as you search and browse.  Click it to build a custom PDF with species shown on that page or for all the species within that taxonomic level.  To create your own list of species, use the PDF Creator tool at the bottom of the Advanced Search page.

Here's some links if you want to download a whole group.

Mammals
Birds
Reptiles
Amphibians
Fish
Invertebrates
Butterflies / Moths
Dragonflies / Damselflies
Ferns and allies
Conifers
Flowering Plants (Dicots)
Flowering Plants (Monocots)
Bryophytes
Lichens
Ecological Systems
Noxious Weeds
Citation for data on this website:
Pea-green Scale Lichen — Psora rubiformis.  Montana Field Guide.  .  Retrieved on , from