''Coprinellus truncorum'' is a species of mushroom-forming fungus in the family Psathyrellaceae. Part of the cluster of mushrooms morphologically related to ''

Coprinellus micaceus ''Coprinellus micaceus'' is a common species of mushroom-forming fungus in the family Psathyrellaceae with a cosmopolitan distribution. The fruit bodies of the saprobe typically grow in clusters on or near rotting hardwood tree stumps or unde ...

'', this species can be distinguished from ''C. micaceus'' by a smooth, rather than pruinose (powdery) stipe, and by having more elliptical

spore In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...

s. Although not conclusively proven, this species may be conspecific with ''C. micaceus''.

References

truncorum Fungi described in 1772 Fungus species {{Psathyrellaceae-stub