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Federal Protection: No US federal protection

State Protection: No Georgia state protection

Global Rank: GNR

State Rank: SNR

Element Locations Tracked in Biotics: No

SWAP 2015 Species of Greatest Conservation Need (SGCN): No

SWAP 2025 Species of Greatest Conservation Need (SGCN): No

2025 SGCN Priority Tier: None

Element Occurrences (EOs) in Georgia: 0

Habitat Summary for element in Georgia: Montane mixed forests

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Description

Yellow-green to gray thallus of small, adnate lobes, rounded sinuses forming circular gaps between lobes (“loops”); mostly unbranched, short black rhizines on some lobe margins; underside black; tips of lobes breaking down to form broad, mounded soralia with fine soredia; CHEMISTRY: medulla K-, KC+ red, C+ red, PD-, thallus UV-; FIELD ID: requires chemical tests to ID

Similar Species

Of other sorediate Hypotrachyna, H. cryptochlora is chemically similar, with medulla KC+ red, C+ pink, P-, but is restricted to lowlands; Hypotrachyna pseudosinuosa is also in mountains, but is KC+ pink, C-, P+ red; montane H. revoluta has revolute, ascending lobes & different chemistry (see key below)

Related Rare Species

Hypotrachyna croceopustulata, H. cryptochlora, H. oostingii, H. pseudosinuosa

Habitat

Montane mixed forests; substrates: 2 records on Pinus bark, 1 on Quercus, 1 on Kalmia, & 2 unknowns

Life History

Corticolous foliose lichenized fungus, photobiont a unicellular green alga (Trebouxia?)

Survey Recommendations

None

Range

Southern Blue Ridge, Cumberland Plateau

Threats

Unknown

Georgia Conservation Status

Rare to occasional

Conservation Management Recommendations

None

References

Brodo, I. M. 2001. Lichens of North America. Yale University Press, New Haven, Conn.

Esslinger, T. L. 2021. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada. Version 24. Opuscula Philolichenum 20: 100-394.

Nash III, T. H., B. D. Ryan, C. Gries & F. Gungartz (eds.). 2002. Lichen flora of the greater Sonoran Desert region. Vol. I. Lichens Unlimited, Arizona State University, Tempe.

Tripp, E. A. & J. C. Lendemer. 2020. Field guide to the lichens of Great Smoky Mountains National Park. The University of Tennessee Press, Knoxville.

Authors of Account

Malcolm Hodges

Date Compiled or Updated

25 March 2022