Cetrelia olivetorum (Nyl.) W.L. Culb. & C.F. Culb.
Keyed out nice @alexgraeff ... the more times I navigate the keys the easier it'll get ha ha (went thru 2 keys to get to the Cetrelia key but with ease like this past weekend with a medulla C- Cetrelia at Pukaskwa)
Verbatim Date: 2018-08-07 9:45:18 AM EDT
Canada, Ontario, Goulais River, ON P0S 1E0, Canada
46.695028 -84.408057 +-66m.
Mature ACERUB; no laminal soredia visible (minimal marginal yes) and pseudocyphellae are visible. Sure doesn't resemble images online, perhaps wrong Genus? Medulla C+ and K+ red. Rhizines brown.
Rights Holder: © held by the observer (listed as 'Collector') at iNaturalist.org, with some rights reserved (CC BY-SA)
Record Id: 9f49335b-43cb-41ef-9aad-505037057f10