cystidia_surface_crystal
crystals
cap width 10 µm; crystals 1-3 µm long, often echinate, dissolve in potash and alcohol-formalin but not in Melzer's iodine; wall thickness 0.5-1 µm; tramal stalk width 2-3 µm; frequent
Oxyporus populinus var. borneensis
Oxyporus populinus var. borneensis