Deer avoid plants possessing chemical defenses or having little nutrition like rough goldenrod, white snakeroot, hay-scented fern, false hellebore
, skunk cabbage, blue cohosh, glossy buckthorn and Pennsylvania sedge.
Aconite, Allspice, Black Snakeroot, Bloodroot, Blue Cohosh, Boxwood, Celandine, Common Poppy, Crotalaria, Crow Poison, Death Camas, Dicentra, False Hellebore
, False Jessamine, Fume wort, Hellebore, Hemp, Horse Nettle, Indian Hemp, Indian poke, Jimson weed, Larkspur, Lobelia, Lupines, Marijuana, Monkshood, Moonseed, Night shade, Pink Death, Camas Poison, Darnel, Poison Hemlock, Poison rye grass, Rattleweed, Rock Poppy, Spider Lily, Spotted cowbane, Spotted Water Hemlock, Stagger grass, Staggerweed, Sweet Shrub, Thorn Apple, Varebells, Wild Parsnip, Wolfs-bane, Yellow Jessamine.
When pregnant animals graze certain poisonous plants, the consequences can be especially gruesome - an offspring with twisted, deformed legs caused by toxins in lupine, or the bizarre, one-eyed lamb that can result when ewes eat false hellebore
, a plant in the lily family.