Naming
Platismatia tuckermanii W.L. Culb. & C. F. Culb.Cetraria atlantica (Tuck.) Du Rietz
Cetraria lacunosa var. atlantica Tuck.
Cetraria tuckermanii Oakes non Herre
Cetraria tuckermanii var. sorediata (Degel.) Räsänen
Cetraria tuckermanii var. tuckermanii Oakes

Distribution
In the Great Lakes Region east to Quebec and Nova Scotia, south along the Appalachians to Georgia. Also in Washington, Montana, Colorado, and California.Status
Global Status: G5United States: Pennsylvania (SNR)
Canada: New Brunswick (S5), Newfoundland Island (SU), Nova Scotia (S5), Ontario (S4S5), Prince Edward Island (SU), Quebec (SNR)
Habitat
This species typically grows on conifers in forests from the southern Appalachians and the Great Lakes region east to Nova Scotia.References:
Some text fragments are auto parsed from Wikipedia.
http://lichenportal.org/portal/taxa/index.php?taxon=Platismatia%20tuckermanii#https://en.wikipedia.org/wiki/Platismatia
http://mycobank.org/BioloMICS.aspx?TableKey=14682616000000067&Rec=291692&Fields=All
http://explorer.natureserve.org/servlet/NatureServe?searchName=Platismatia+tuckermanii
https://ohiomosslichen.org/lichen-platismatia-tuckermanii/