iNaturalist Research Grade Observations
Catalog #: 15216626
Taxon: Cetrelia olivetorum (Nyl.) W.L. Culb. & C.F. Culb.
Family: Parmeliaceae
ID Remarks: 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)
Collector: Rob Routledge      
Date: 2018-08-07
Verbatim Date: 2018-08-07 9:45:18 AM EDT
Locality: Canada, Ontario, Goulais River, ON P0S 1E0, Canada
46.695028  -84.408057 +-66m.
Description: Original observation #15216626 (iNaturalist)
Occurrence Remarks: 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.
Specimen Images
Rights Holder: © held by the observer (listed as 'Collector') at, with some rights reserved (CC BY-SA)
Record Id: 9f49335b-43cb-41ef-9aad-505037057f10
Occurrence ID (GUID):
For additional information on this occurrence, please contact: Ken-ichi Ueda (
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