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On Salix caprea branch

On Salix caprea branch

on wooden fence; thalline exciple P-, K-; epihymenium brown; spores colourless, simple, 8-9 x 4-5

Auf Humus über Totholz (Fichte) über torfig moorigem Boden in Niedermoor

unten rechts im Bild ist das Lager zu sehen

Moorwald - 2 vorkommen gefunden

auf Pterygoneurum ovatum

On gravestones
In the Isle of Wight Flora 'Opegrapha calcarea p227.... locally abundant.'

on Larix

Außenmauer der alten Uni.

Microscopically checked

Spores ellipsoid, with one or two oil droplets, always 8

Medulla white (4th picture), underside black (5th picture)

On Lunularia cruciata

Octospora phagospora (?) -> no, its O. coccinea
damp soil in forest, sandy/loamy

Schlamm in RÜB

https://www.biodiversidadvirtual.org/hongos/Squamarina-lentigera-img67250.html

Medulla K-, KC+ red.
On Abies alba.