Inosperma mutatum occurs in the Midwest and Eastern North America.
Inosperma
This example of Inosperma mutatum was found on a mossy stream bank. Found in August during dry conditions. Unpleasant odor, could be described as fishy. Scaly cap and stem. Brown spores. Bluing at base of stem. Not edible, possibly poisonous. I. calamistratum, the green foot fibercap, could be considered a lookalike, but it is larger in size and has a greenish stem base.
Microscopic Features of Inosperma mutatum
The fruiting bodies of this genus usually have a distinct odor (fruity, honey-like, fishy). The pileus is radially rimose….or can be squamulose to squarrose. The lamella has no pleurocystidia, but has cheilocystidia. Basidia necropigmented or not. The spores are smooth. Found in temperate areas. Wikipedia