''Deconica angustispora'' is a mushroom that was discovered in the late 1930s and formally described by A.H. Smith in 1946 as a species of ''

Psilocybe ''Psilocybe'' ( ) is a genus of gilled mushrooms, growing worldwide, in the family Hymenogastraceae. Most or nearly all species contain the psychedelic compounds psilocybin and psilocin. Taxonomy Taxonomic history A 2002 study of the mole ...

''. It is very small and has rarely been documented.

References

Smith, A.H.; Hesler, L.R. 1946. New and unusual dark-spored agarics from North America. Journal of the Elisha Mitchell Scientific Society. 62:177-200 Strophariaceae Fungi described in 1946 Fungi of North America Taxa named by Alexander H. Smith {{Agaricales-stub