Montana Field Guide

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Montana Field Guides

Home - Other Field Guides
- Kingdom - Fungi - Fungi
  - Division - Sac Fungi - Ascomycota
    - Class - (Lecanoromycetes) - Lecanoromycetes
      - Order - Lecanorales - Lecanorales
        
        Family - Psoraceae - Psoraceae
        
        Species - Pea-green Scale Lichen - Psora rubiformis

Pea-green Scale Lichen - Psora rubiformis

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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.

Stewardship Responsibility

Threats or Limiting Factors

Climate change.

References

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Citation for data on this website:
Pea-green Scale Lichen — Psora rubiformis. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 22, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=NLT0024060