Twin Map Lichen

Another is the Twin Map Lichen (Rhizocarpon geminatum) Cadillac Mountain • Acadia National Park, Maine, United States.

comments (2)

mossgeek

Green Fly

this is Dimelaena. Possibly Dimelaena radiata. When taking photos of crust lichens you should make sure you get entire lichen in the photo, most of the time the identifying characturistic is on the margin. Posted 5 years ago

mossgeek

Green Fly

also, this lichen has an additional lichenocolous growing on it (the tiny black filiments on the thallus) Posted 5 years ago

Rhizocarpon geminatum is a lichenized fungus in the family Rhizocarpaceae.

Similar species: Rhizocarpales

Species identified by Greg Shchepanek

Uploaded Apr 27, 2020. Captured Sep 21, 2012 09:00 in Cadillac Mountain, 707 Cadillac Summit Rd, Bar Harbor, ME 04609, USA.