Question: Who developed the first widely used system for naming plants and animals?
Disambiguated questions and answers: question: Who introduced many names of genera that were later adopted in the first widely used system for naming plants and animals?
Who is credited with the formal introduction of the first widely used system for naming plants and animals?
answer: Caspar Bauhin
Gaspard Bauhin
Carl Linnaeus
Natural Questions answer: Carl Linnaeus (from the Wikipedia article "Taxonomy (biology)")