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Montana Field Guide

Montana Field Guides

A Lichen - Cladonia botrytes

Species of Concern

Global Rank: G5
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 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).

Species Range
Present
 


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).

Summary of Observations Submitted for Montana
Number of Observations: 3

(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
On rotten wood; occasionally on humus-rich soil.

Ecology
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.

References
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Citation for data on this website:
A Lichen — Cladonia botrytes.  Montana Field Guide.  .  Retrieved on , from