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Phaeophyscia insignis (Mereschk.) Moberg
Mealy Shadow
Federal Protection: No US federal protection
State Protection: No Georgia state protection
Global Rank: G2G4
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: Mixed pine - hardwood forest
Deep green to gray-green thallus, lobes 0.1-0.3 mm wide, fringed with black, white-tipped cilia & rhizines; soralia of fine bright-green soredia, usually in globular soralia on surface of lobes, sometimes wider than lobes; thin medulla white, lower cortex usually pale throughout, sometimes dark away from lobe tips; CHEMISTRY: cortex & medulla K-; FIELD ID: careful study required to note narrow lobes, laminal soralia, pale undersides & K- cortex
Phaeophyscia pusilloides has fine green soredia in round marginal soralia & a black lower surface; Physciella chloantha is larger, has soralia at lobe tips & lacks marginal cilia
None
Hardwood forests, agricultural areas; noted on Carya illinoinensis & Oxydendrum arboreum bark
Corticolous foliose lichenized fungus, photobiont a green alga (Trebouxia?)
None
Piedmont, upper Coastal Plain
Unknown
Rare
None
Brodo, I. M. 2001. Lichens of North America. Yale University Press, New Haven, Conn.
Brodo, I. M. 2016. Keys to lichens of North America: revised and expanded. 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.
Harris, R. C. & D. Ladd. 2005. Preliminary draft: Ozark lichens. Unpublished manuscript, New York Botanical Garden, Bronx, NY.
Malcolm Hodges
26 August 2024