Pierre Viala

In 1901–1910 he and Victor Vermorel published ''Ampélographie. Traité général de viticulture'', a seven-volume ampelography of 3,200 pages describing 5,200 grape varieties.
He has been honoured in the naming of 2 taxa of fungi; ''Vialaea'' by Pier Andrea Saccardo in 1896 (Vialaeaceae family) ''Vialina'' by Mario Curzi in 1935, which is now a synonym of ''Phoma'' . Provided by Wikipedia
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