books

Books about Birrus:

booksLessico etimologico Italiano. Band 6: Birrus-Brac(C)Hiolum (Italian Edition) by Max Pfister (Jan 2000)

wiki

Wiki information Birrus:

Birrus

A birrus or birrus brittanicus was a rainproof, hooded woollen cloak, characteristically worn in Britain and Gaul at the time of the Roman Empire and into the Middle Ages. A mosaic at Chedworth Roman Villa shows a Briton wearing a birrus brittanicus...

Hebeloma birrus
Biological Species, Organism Classification

Hebeloma birrus is a species of mushroom in the Hymenogastraceae family.