Overview

Brief Summary

Description

 Thallus: squamulose to small foliose, 1-3 cm diam., often broken up due to growing among mosses, rosette-forming, lobate; lobes: initially rounded, becoming ± flattened and elongate (0.5-1.5 mm wide and up to 5 [-10] mm long), irregularly branched, becoming imbricate; apices: sometimes ascending; upper surface: red-brown when dry, pale brown to deep green when wet, smooth, nodulose or sometimes with globose to cylindrical isidia marginally; upper cortex: paraplectenchymatous, 25-30 micrometer thick; medulla: whitish, loosely interwoven hyphae around Nostoc colonies; lower surface: brownish white, rhizinate; rhizines: brown, sparse, at base of the lobes; Apothecia: not known in Sonoran material, elsewhere rather rare, laminal or marginal, up to 2 mm diam., sessile to substipitate; margin: paler, with short hairs; disc: flat, brown to red-brown, smooth; exciple: 100-145 micrometer wide, true portion paraplectenchymatous, supported by a pseudoexciple; hymenium: brown above, K-, colorless below, I+ blue, 70-130 micrometer; paraphyses: septate simple, 2-6 micrometer wide, ± swollen at the apices and pigmented; subhymenium: hyaline, 45-80 micrometer thick; asci: cylindrical, 55-80 x 11.5-14.5 micrometer, 8-spored; ascospores: fusiform to narrowly ellipsoid, hyaline, 1 (-2)-septate, 11-27 x 4.5-8.5 micrometer; Pycnidia: brown or black above, pale below, immersed, up to 0.6 mm diam.; conidia: bacilliform or slightly bifusiform, colorless, simple, 4-6 x 1 micrometer; Spot tests: all negative; Secondary metabolites: none detected.; Substrate and ecology: among mosses on a range of different acidic rocks in moist habitats at intermediate elevations; World distribution: temperate regions of North and South America, Europe, eastern Asia and Australasia; Sonoran distribution: rare, widely scattered in eastern Arizona. 
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Lichen Unlimited: Arizona State University, Tempe.

Source: Lichen Flora of the Greater Sonoran Desert Region

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Ecology

Associations

In Great Britain and/or Ireland:
Lichen / symbiont
immersed to erumpent perithecium of Pyrenidium actinellum lives on/in thallus of Massalongia carnosa

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: NNR - Unranked

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: This lichen species occurs from the Arctic to California and east to Colorado (McCune and Geiser 1997).

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Average rating: 2.5 of 5

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!