MycoKey : the genus Psathyrella

Generic short diagnoses: Saprobic, ± hygrophanous, brown- to black-spored, ± fragile, elegant, but highly variable agarics with attached, never deliquescent lamellae. Cystidia mostly simple, spores smooth with germ pore, epicutis mostly a rectocutis.

Species examples:
Psathyrella ammophila
Psathyrella bipellis
Psathyrella candolleana
Psathyrella conopilus
Psathyrella corrugis
Psathyrella cotonea
Psathyrella globosivelata
Psathyrella microrrhiza
Psathyrella multipedata
Psathyrella piluliformis
Psathyrella pseudogracilis
Psathyrella pygmaea
Psathyrella sarcocephala

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