A new species of Leptostroma on Pinus henryi from China

A coelomycetous fungus found on dead fallen secondary needles of Pinus henryi from Shennongjia forestry region of Hubei Province, China, is described, illustrated, and discussed. Habitat, morphology, and conidial development place it in the Rhytismataceae. It differs from other members of this family on the same substratum by having conidiomata with upper walls more than one cell thick, and is formally named as Leptostroma magnum sp. nov. Its conservation status is evaluated as Data Deficient. The type specimen is deposited in the Reference Collection of Forest Fungi of Anhui Agricultural University, China (AAUF).