Genus Psathyrella: Notes On The

Species within Psathyrella typically share several defining physical traits:

: Caps are often thin, fragile, and hygrophanous , meaning they change color significantly as they dry. They frequently feature a distinct, sometimes appendiculate, veil that may disappear with maturity. NOTES ON THE GENUS PSATHYRELLA

The taxonomy of Psathyrella has undergone significant revision: NOTES ON THE GENUS PSATHYRELLA

: Psathyrella aquatica is a rare example of an underwater-fruiting mushroom found in rivers. Historical and Modern Taxonomy NOTES ON THE GENUS PSATHYRELLA

: Identification often hinges on microscopic characters like cystidia (sterile cells on the gills or cap) and specific spore measurements . Ecological Niche

: Species like Psathyrella piluliformis grow in clusters on decaying wood.

: There are estimated to be over 500–600 species worldwide, though many remain poorly understood or await formal description.