Observation 335783: Heterodermia Trevisan

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Check the underside
By: Jason Hollinger (jason)
2018-09-29 22:18:30 CDT (-0400)

It looks a bit like Pyxine, as well, but the soralia would be wrong, and I don’t see any pruina. If it really is Heterodermia, it probably isn’t H. speciosa because you can’t see any cilia. Any at all. Odd. That’s why I recommend you check the underside, just to be sure it really is Heterodermia. That will also let you see whether it has a cortex underneath or not, and if not, what color the underside is. These are important taxonomic characters in Heterodermia.