Herpothallon capilliferum

Herpothallon capilliferum is a species of corticolous, crustose lichen in the family Arthoniaceae. Found in China, it was formally described as a new species in 2022 by Pengfei Chen and Lulu Zhang. The type was collected from Dayang Lake Nature Reserve at an elevation of ; here the lichen was found growing on Nyssa sinensis. The main characteristics of the species are the presence of norstictic acid as a major lichen product, and the projecting hyphae of the pseudisidia. The species epithet capilliferum refers to this latter characteristic.