bear garlic vs wild garlic

bear garlic

noun

  • A wild plant related to chives; ramsons, Allium ursinum 

wild garlic

noun

  • ramsons (Allium ursinum) 

  • Allium vineale 

  • Allium canadense 

How often have the words bear garlic and wild garlic occurred in a corpus of books? (source: Google Ngram Viewer )