Lin Lin Zhang

Herpothallon viridi-isidiatum is a species of 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 the Baiyun Protection Station (Jingning County, Zhejiang) at an altitude of almost 1,300 m (4,300 ft); here, the lichen was found growing on the bark of Cunninghamia lanceolata. The species epithet viridi-isidiatum refers to the greenish-coloured pseudisidia. Gyrophoric acid, lecanoric acid, and umbilicaric acid are all lichen products that have been identified in this lichen.

Herpothallon polyisidiatum is a species of corticolous (bark-dwelling), 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 Mangshan National Forest Park (Qingyuan, Guangdong) at an elevation of 1,716 m (5,630 ft). The lichen contains stictic acid, a lichen product that can be detected using thin-layer chromatography. The species epithet refers to polyisidiatum refers to the pseudisidia, which are plentiful in this species.

Herpothallon capilliferum is a species of corticolous (bark-dwelling), 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 (Jingning County, Zhejiang) at an elevation of 1,405 m (4,610 ft); 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

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