''Meliola wainioi'' is a

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from t ...

species described as new to science in 1890 by French mycologist

Narcisse Théophile Patouillard Narcisse Théophile Patouillard (2 July 1854 – 30 March 1926) was a French pharmacist and mycologist. He was born in Macornay, a town in the department of Jura. He studied in Besançon, then furthered his education at the École Supérieu ...

. It is named in honour of Finnish lichenologist Edvard August Vainio, who found the type specimen growing on "tough leaves". The type locality is Minas Gerais, Brazil. The fungus grows as a dense, thick woolly black spot on the leaf surface. It produces relatively large

ascospore An ascus (; ) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division. However, asci in some genera or ...

s measuring 65–70 by 22–25 μm, typically divided by 3 (sometimes 4)

septa The Southeastern Pennsylvania Transportation Authority (SEPTA) is a regional public transportation authority that operates bus, rapid transit, commuter rail, light rail, and electric trolleybus services for nearly 4 million people in five c ...

; the terminal two spore segments are smaller than the middle segments.

References

Meliolales Fungi described in 1890 Fungi of South America Taxa named by Narcisse Théophile Patouillard {{Sordariomycetes-stub