Adder's Tongue, American Hellebore*, Asarum*, Black Alder, Red Alder, Smooth Alder, Black Root*, Bloodroot*, Blue Vervain, Boneset, Carline Thistle, Dogbane*, Dog Poison*, Dog's Mercury*, Elder*, European Centaury, Garden Violet, Hellebore*, Hemp Agrimony, Holly*, Lobelia*, Mezereon*, Milkweed*, Mistletoe*, Nightshade*, Peyote*, Pilewort, Pride of China, Rock-Rose, St. Benedict Thistle*, Scotch Broom*, Senega Snakeroot*, Skunk Cabbage*, Solomon's Seal, Spurge (Cypress, Flowering, Garden, Milk-Purslane, Petty), Stillingia*, Twin Leaf, Water Eryngo, Wild Indigo*, Wild Yam.

 Dog's Mercury - Mercurialis perennis - CAUTION: Dog's Mercury is poisonous in the fresh state. The poison is believed to be cumulative in effect. Thorough drying or boiling seems to neutralize the poison.

*(Herbs in which Cautions exist. For those herbs whose Cautions are not listed on this page, a link is provided to its description.)