Evgeny Alexandrovich Davydov

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Pulvinora is a genus of saxicolous (rock-dwelling) lichens in the family Lecanoraceae. The genus was established in 2021 when DNA studies showed that two species then placed in Lecanora formed a distinct evolutionary lineage. Later work broadened the genus to include three additional species formerly treated in Lecanora, bringing the total number of recognised species to five. Species of Pulvinora form small cushions or thick, warty crusts on rock, and they produce black apothecia (fruiting bodies) that start with raised rims but become strongly domed as they mature.

Umbilicaria orientalis is a species of foliose lichen belonging to the family Umbilicariaceae. It is recognized by its distinctive morphological features and unique molecular characteristics that distinguish it from closely related species such as Umbilicaria trabeculata. This lichen is primarily found across a range of localities in East Asia, extending from the Russian Far East to South Siberia, Mongolia, and regions in China including Hebei and Tibet.

Lendemeriella aureopruinosa is a species of crustose lichen in the family Teloschistaceae. Found in the Russian Far East, it was formally described as a new species in 2021 by Ivan Frolov, Jan Vondrák, Ulf Arup, Liudmila Konoreva, and Sergey Chesnokov, Lidia Yakovchenko, and Evgeny Davydov. The type specimen was collected on the banks of River Bes-Yuryakh (Yllymakh, Republic of Sakha); here it was found growing on siliceous outcrops in a forest comprising largely birch, alder, and larch trees. The thallus of the lichen ranges in form from an inconspicuous grey film to a more well-developed

Rhizocarpon smaragdulum is a species of crustose lichen belonging to the genus Rhizocarpon in the family Rhizocarpaceae. It was first identified and formally described by Evgeny Davydov and Lidia Yakovchenko in 2014, with the type specimen collected in the Altai Mountains. Characteristics of the lichen include its distinct yellow thallus with greenish patches and a unique reproductive feature of producing a single spore per ascus.

Pulvinora pringlei (also known by its former name Lecanora pringlei) is a species of saxicolous (rock-dwelling) crustose lichen in the family Lecanoraceae. It has a distinctive cushion-forming thallus (lichen body) and black apothecia (fruiting bodies) that become strongly domed as they mature. The species is known from North America.

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