Dark spored species of macrofungi have been frequently found growing luxuriantly colonizing coprophilous and lignicolous habitats in Mount Abu and adjoining areas of the Aravalli Mountain range of Rajasthan, India after the monsoon rains. In the present communication, taxonomic description of Agroc ybe manihotis, Bolbitius titubans , Coprinus c omatus, C. s terquilinus , Coprinopsis lagopides,Deconica coprophila, Homophron spadiceum, Panaeolus fimicola, Psathyrella patialensis, P. pygmaea, P. tiarella and P. magambica has been given. These fungi are an addition to the yet unexplored rich mycoflora of the State. Most of these species have a noticeably short life span and some like Coprinus sp.are autodigesting and deliquescent.