Savoryella claviformis (Savoryellaceae), a new freshwater hyphomycetous species from the Tibetan Plateau, China

Abstract

During an investigation of lignicolous freshwater fungi on the Tibetan Plateau, China, two collections were obtained from submerged wood in freshwater habitats. The morphological examinations and phylogenetic analysis using LSU, SSU, and ITS sequence data have identified that the two collections represent a novel species within the genus Savoryella, namely S. claviformis. Savoryella claviformis forms a distinct clade within Savoryella, and possesses unique characteristics compared with existing asexual species in having semi-micronematous, solitary, cylindrical conidiophores, terminal, determinate conidiogenous cells, and acrogenous, claviform, rostrate conidia. Detailed descriptions and illustrations of this species are provided.