Carlo Allioni (23 September 1728 in Turin – 30 July 1804 in Turin) was an Italian physician and professor of botany at the University of Turin. His most important work was Flora Pedemontana, sive enumeratio methodica stirpium indigenarum Pedemontii 1755, a study of the plant world in Piedmont, in which he listed 2813 species of plants, of which 237 were previously unknown. In 1766, he published the Manipulus Insectorum Tauriniensium.
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