Edvard August Vainio

The Wikipedia article of the day for August 23, 2021 is Edvard August Vainio.

Edvard August Vainio (1853–1929) was a Finnish lichenologist. His early works on the lichens of Lapland, his three-volume monograph on the lichen genus Cladonia, and, in particular, his study of the classification and form and structure of lichens in Brazil made Vainio renowned internationally.…