Crossword clues for the word: LINNAEUS The word LINNAEUS has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for LINNAEUS Showing 1 to 2 of 2 results Clue(s) "Pioneer in systematic botany, c. 1750." Carolus —, 18th-century Swedish botanist who originated the modern scientific classification of plants and animals