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The genus Trechispora accommodate species with corticioid, clavarioid, and polyporoid basidiomata, smooth to verrucose, angular basidiospores, monomitic or dimitic hyphal systems with clamp-connections, and ampullaceous septa. During a study of clavarioid fungi of Kerala, seven Trechispora species with clavarioid basidiomata were collected and studied. Morphological and molecular analyses revealed one species, T. cystidiata, characterized by cystidia, to be new to science. In addition, a new combination (T. angulispora) and a nomen novum (T. corneri) are also proposed. Descriptions of all the species collected and studied from Kerala, along with their phylogenetic placement in the order Trechisporales is presented. A taxonomic key to the clavarioid species of Trechisporales from India is also provided.

A new species of clavarioid fungi, Clavaria viriditincta is described from Kerala State, India. This species is proposed as new based on morphological and molecular phylogenetic (ITS-LSUsequence) data. C. viriditincta can be distinguished from all other described species in the genus by its distinctly green, unbranched basidiomata, and by its genetic distinctiveness.

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A new species, Clavaria cystidiata, was collected and described from Kerala State, India. The species is proposed as new based on morphological and molecular evidence. Clavaria cystidiata differs from other closely related Clavaria species by its garlic smell, yellowish basidiomata, clamp connections at the base of basidia, and by the prominent presence of versiform cystidia. Sequence analyses of the nuclear rDNA internal transcribed spacer (ITS) region supports phylogenetic separation of C. cystidiata within Clavariaceae.