Montana Field Guide

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- Kingdom - Fungi - Fungi
  - Division - Sac Fungi - Ascomycota
    - Class - (Lecanoromycetes) - Lecanoromycetes
      - Order - Lecanorales - Lecanorales
        
        Family - Parmeliaceae - Parmeliaceae
        
        Species - Subcentric Ring Lichen - Arctoparmelia subcentrifuga

Subcentric Ring Lichen - Arctoparmelia subcentrifuga

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Species of Concern
Native Species

Global Rank: G4G5
State Rank: S1
(see State Rank Reason below)

Agency Status
USFWS:
USFS: Sensitive - Suspected in Forests (BRT)
BLM:

External Links

State Rank Reason (see State Rank above)

In Montana known from a few sites in the western and central regions of the state.

General Description

Thallus foliose, yellowish green. Soredia present on the upper surface McCune and Geiser 2009.

Diagnostic Characteristics

Superficially similar to Xanthoparmelia. Arctoparmelia differs in chemistry; has a lower surface that is often velvety, ivory white to gray, black, or purplish; often has narrower lobes; and geographically restricted to boreal and arctic regions McCune and Geiser 2009.

Range Comments

Occurs in the arctic south to Colorado; also in the Great Lakes region.

Observations in Montana Natural Heritage Program Database

Number of Observations: 2

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Relative Density

Recency

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

Habitat

Siliceous rock in montane to subalpine sites.

Reproductive Characteristics

Reproduces asexually by soredia.

Stewardship Responsibility

Threats or Limiting Factors

None identified.

References

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Citation for data on this website:
Subcentric Ring Lichen — Arctoparmelia subcentrifuga. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 22, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=NLT0001670