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Montana Field Guide

Montana Field Guides

A Lichen - Brigantiaea praetermissa
Other Names:  Brigantiaea purpurata

Potential Species of Concern
Native Species

Global Rank: GNR
State Rank: S2S3
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
The type specimen is from Sanders County. This lichen is considered uncommon in western Montana and widely scattered in the Pacific Northwest.
  • Details on Status Ranking and Review
    A Lichen (Brigantiaea praetermissa) Conservation Status Review
    Review Date =
General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Species Range

Range Comments
Occurs in the Pacific northwest.

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

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



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

On conifer (i.e., Pinus monticola, Thuja plicata, Tsuga heterophylla) bark in low, moist forests.

Reproductive Characteristics
Reproduces sexually by spores from the apothecium.

Threats or Limiting Factors
None identified.

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Citation for data on this website:
A Lichen — Brigantiaea praetermissa.  Montana Field Guide.  .  Retrieved on , from