''Bacidia sachalinensis'' is a little-known species of corticolous (bark-dwelling)
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Ramalinaceae. Found in the
Russian Far East
The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...
, it was formally described as a new species in 2018 by Julia Gerasimova, Aleksandr Ezhkin, and Andreas Beck. The
type specimen
In biology, a type is a particular wiktionary:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to a ...
was collected by the second author near the Rogatka River in Yuzhno-Sakhalinsk ( Sakhalin Oblast), where it was found growing on the bark of ''
Populus maximowiczii
''Populus suaveolens'', called the Mongolian poplar, Korean poplar and Japanese poplar, is a species of flowering plant in the genus '' Populus'', native to all of northern Asia, the Korean peninsula, the Kurils, and northern Japan. It is a tree ...
'' in a
floodplain
A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...