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Montana Field Guide

Montana Field Guides

Chestnut Wrinkled Lichen - Cetraria sepincola
Other Names:  Tuckermannopsis sepincola

Potential Species of Concern
Native Species

Global Rank: G5
State Rank: S2S3
(see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Known from many locations, associated with bogs, in western Montana.
General Description
Thallus foliose, suberect to ascending, light to dark brown or pale olive, to less than 2 cm broad; lobes 2-3 cm wide with undulating margins; soredia and isidia lacking, and apothecia numerous, dominating the thallus McCune and Geiser 2009.

Range Comments
This lichen occurs from Alaska south to northern California and northwestern Montana east to the northeastern United States (McCune and Goward 1995).

Observations in Montana Natural Heritage Program Database
Number of Observations: 4

(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)

Generally on shrub twigs, especially those of Betula, in fens and bogs.

Indicator of wetland habitat.

Reproductive Characteristics
Reproduces sexually by spores from apothecia.

Threats or Limiting Factors
None identified.

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Citation for data on this website:
Chestnut Wrinkled Lichen — Cetraria sepincola.  Montana Field Guide.  .  Retrieved on , from