New species or records of Cacumisporium, Helicosporium, Monotosporella andBahusutrabeeja on submerged wood in Hong Kong streams

摘要

Cacumisporium rugosum sp. nov., Helicosporium gigasporum sp. nov, and H. hongkongense sp. nov, are described from submerged wood collected in streams in Hong Kong. Unusual features observed in our collection of Monotosporella rhizoidea are reported, while Bahusutrabeeja dwaya is a new record from streams in Hong Kong.