Montana Field Guide

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Montana Field Guides

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- Kingdom - Fungi - Fungi
  - Division - Sac Fungi - Ascomycota
    - Class - (Lecanoromycetes) - Lecanoromycetes
      - Order - Lecanorales - Lecanorales
        
        Family - Lecanoraceae - Lecanoraceae
        
        Species - Hayden's Rimmed Navel Lichen - Rhizoplaca haydenii

Hayden's Rimmed Navel Lichen - Rhizoplaca haydenii

Species of Concern
Native Species

Global Rank: G2G3
State Rank: S1S2
(see State Rank Reason below)

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

External Links

State Rank Reason (see State Rank above)

Known from a few locations in south-central to southeastern Montana. This species is also likely to be found in appropriate habitats in southwestern Montana. Both subspecies are found in Montana: R. haydenii ssp. haydenii and R. haydenii ssp arbuscular.

General Description

Thallus of discrete lobes or squamules that are fruticose or strongly 3-dimensional foliose in form; Thallus pale greenish to yellow green; abundant marginal whitish nodules or whitish markings present on thallus; lobes spreading and erect, flat to round, or strongly rolled under, distinctly dorsiventral or not; rhizines are lacking; apothecia not known (McCune and Rosentreter 2007). Chemistry: Cortex with usnic acid and spot tests are often positive; Medulla K- and P- (McCune and Rosentreter 2007).

Species Range

Montana Range Range Descriptions

Native

Observations in Montana Natural Heritage Program Database

Number of Observations: 8

(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

Found on cold dry steppe to alpine habitats. Thallus loosely attached or free on windswept, sparsely vegetated, rocky calcareous soils.

Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see mtnhp.org/models

Ecology

Soil crust lichen.

Threats or Limiting Factors

None identified.

References

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Dragonflies / Damselflies

Ferns and allies

Conifers

Flowering Plants (Dicots)

Flowering Plants (Monocots)

Citation for data on this website:
Hayden's Rimmed Navel Lichen — Rhizoplaca haydenii. Montana Field Guide. Montana Natural Heritage Program. Retrieved on April 26, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=NLT0026210