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Imshaugia aleurites (Ach.) S.F. Meyer
Salted Starburst
Federal Protection: No US federal protection
State Protection: No Georgia state protection
Global Rank: G5
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:
Element Occurrences (EOs) in Georgia: 0
Habitat Summary for element in Georgia: Forests, woodlands, swamps, outcrops
Pale gray, shiny thallus with broad, overlapping lobes or narrow, dissected, spaced lobes, the latter form much more common in Ga. (broad-lobed form restricted to mts.?); isidia of widely varying lengths, with longer isidia the norm on narrow-lobed form, & short isidia brown-tipped; underside white to tan, with white rhizines; CHEMISTRY: cortex & medulla K+ deep yellow; FIELD ID: with experience, unmistakable; look for whitish, glossy lobes, isidia, & pale undersides
Parmeliopsis subambigua also has narrow lobes & is often on conifers, but it is yellower, has pustules/soredia rather than isidia, & is chemically different; isidiate Hypotrachyna species have dark undersides
None
Forests, woodlands, swamps, outcrops; most records from Pinus bark & wood; 4 records from hardwood bark & wood, 2 records from Juniperus bark & wood, 1 record from Taxodium bark, & 3 records from unknown wood
Corticolous/lignicolous foliose lichenized fungus, photobiont a green alga (Trebouxia?)
None
Mostly Southern Blue Ridge; 2 Piedmont records, 1 from Coastal Plain
Unknown
Common in mountains, rare in lowlands
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.
Malcolm Hodges
29 March 2022
