Private Herbarium of Jason Hollinger (hb. Hollinger)
Lecanora argentea Oksner & Volkova
Lecanoraceae
Jason Hollinger (2019-09-03)
ID certainty: positive
Jason Hollinger
23399a
2019-09-03
Perry Scott
United States, Minnesota, Cook County, Moss Lake
48.0687 -90.467 +-5m.
545 meters (1788ft)
base of southwest-facing diabase cliff heavily shaded by _Abies balsamifera_, _Populus tremuloides_, _Acer spicata_, _Cornus rugosa_ and _Corylus cornuta_
shaded vertical diabase
epihymenium dark golden-brown, with epipsamma but POL-; amphithecium POL+ with lots of huge blocky crystals; amphithecial cortex 20um above to ~40um below, brown granular but distinct from medulla; spores 11-13x6.5-7um