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Montana Field Guide

Montana Field Guides

Stump Pixie-Cup Lichen - Cladonia botrytes
Other Names:  Stump Soldiers, Wooden Soldiers

Species of Concern
Native Species

Global Rank: G5
State Rank: S1
(see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
This species is common northward, but is found sporadically in Montana and east to the Black Hills and south to Colorado.
General Description
The thallus is two-parted, consisting of a foliose thallus and an erect podetium. The podetia are less than 1 cm tall, lack soredia, squamules, and definitive cups, and terminate into apothecia. The apothecia are usually present and pale brown (McCune and Geiser 2009). Chemistry: Medulla weakly UV+ and P- (McCune and Geiser 2009).

Range Comments
A widespread northern species extending southward to southern British Columbia and northwest Montana with disjuncts in Colorado and the Black Hills (McCune and Geiser 2009).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(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 rotten wood; occasionally on humus-rich soil.

This species is obligate on dead wood.

Reproductive Characteristics
Reproduces sexually by spores from the apothecium.

Threats or Limiting Factors
A reduction in dead woody debris caused by fires, timber harvesting, and other activities may limit habitat availability.

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Citation for data on this website:
Stump Pixie-Cup Lichen — Cladonia botrytes.  Montana Field Guide.  .  Retrieved on , from