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Montana Field Guide

Montana Field Guides

Wart Lichen - Pertusaria diluta

Species of Concern

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

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:

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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
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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.

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.

References
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Citation for data on this website:
Wart Lichen — Pertusaria diluta.  Montana Field Guide.  .  Retrieved on , from