Yan-Yun Zhang

Upretia squamulosa is a species of saxicolous (rock-dwelling), squamulose (scaly) lichen in the family Teloschistaceae. It was identified as a new species in 2019 from specimens collected in the hot, dry valleys of the Jinsha River system in Yunnan, China, in the hot, dry valleys of the Jinsha River system, at elevations between about 1,240 and 3,160 metres. The lichen forms greyish green to brown scaly growths up to 7 cm across on rock surfaces. It is distinguished chemically by the presence of gyrophoric and lecanoric acids.

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Lobothallia semisterilis is a species of terricolous (ground-dwelling) lichen in the family Megasporaceae. The species forms small rosettes up to 5 cm across on soil, with a white to grey, densely powdery upper surface and irregular elongate lobes at the margins. It grows in very dry, open habitats such as arid steppe and desert-like terrain at elevations between about 1,760 and 3,150 m, and is known only from Gansu and Qinghai provinces in north-western China.

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