Geologists aren't like most people—they have to go off the path. They have to know the plants to avoid. These are plants that affect the skin or, if burned, the lungs. This gallery does not feature plants that are poisonous to eat, because geologists don't eat wild plants.
- Devil's Club, Oplopanax horridusA well-named hazard in the Northwest
- Giant Hogweed, Heracleum mantegazzianumBurning, disfiguring sap
- Giant Hogweed LeafThe leaf is distinctive
- Jumping Cholla, Opuntia bigeloviiDon't even get close
- Oleander, Nerium oleanderNot for eating or smoking
- Pampas Grass, Cortaderia sp.A skin-shredding pest
- Pampas Grass GantletA wicked lineup
- Poison Ivy, Toxicodendron radicansA Massachusetts specimen
- NOT Poison IvyA berry vine
- Poison Ivy BerriesClusters of drupes
- Poison Oak, Toxicodendron diversilobaScourge of the Pacific coast
- NOT Poison OakAn oak seedling
- Graphic Index
- Text Index
PrevNext