North American Species of Crepidotus
Key to Subgenera
|1. Clamp connections absent on the epicuticular hyphae of the basidiocarp (the hyphae of the gill trama, and including the base of the basidium)*||
|1. Clamp connections present on the hyphae of the pileus cuticle, the gill trama hyphae, or at the base of the basidium||
|2. Spores globose to subglobose||
|2. Spores typically longer than broad (ellipsoid, fusoid, ovoid, phaseoliform)||
*Clamp connections may be present on the hyphae of the basal tomentum of this group.