Conidial fungi from the semiarid Caatinga biome of Brazil: a new species of Pseudoacrodictys

Pseudoacrodictys magnicornuata sp. nov., collected on decaying twigs in the semiarid region northeastern Brazil, is described and illustrated. It is distinguished by turbinate, sub-napiform, subglobose to irregular, dictyoseptate, golden brown, brown to dark brown conidia with 7–35 corniform cellular appendages that are 1–2(–4) circinate and arranged around the conidial margin or apex.