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Home - Other Field Guides
- Kingdom - - Fungi
  - Division - Sac Fungi - Ascomycota
    - Class - (Lecanoromycetes) - Lecanoromycetes
      - Order - Pertusariales - Pertusariales
        
        Family - Coccotremataceae - Coccotremataceae
        
        Species - Diluted Wart Lichen - Gyalectaria diluta

Diluted Wart Lichen - Gyalectaria diluta

Other Names: Pertusaria diluta

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Species of Concern
Native Species

Global Rank: GNR
State Rank: S1
(see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:

State Rank Reason (see State Rank above)

This species was first recognized in Montana. The Type specimen is from the Cabinet Mountains and is currently the only Montana occurrence.

General Description

We do not yet have descriptive information on this species. Please try the buttons above to search for information from other sources.

Range Comments

This species is newly recognized and has been found in 14 locations in British Columbia, one location in Idaho, and one location in Montana.

Observations in Montana Natural Heritage Program Database

Number of Observations: 1

(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

Wet/humid old-growth forests to about 1000 meters. It has been found on tree trunks, branches, fine twigs, and logs of Tsuga heterophylla, Thuja plicata, and Pseudotsuga menziesii.

Stewardship Responsibility

References

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Dragonflies / Damselflies

Ferns and allies

Conifers

Flowering Plants (Dicots)

Flowering Plants (Monocots)

Citation for data on this website:
Diluted Wart Lichen — Gyalectaria diluta. Montana Field Guide. Montana Natural Heritage Program. Retrieved on April 6, 2026, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=NLMTNHP001