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.
- Poison Oak, Red PhaseThe autumn color is distinctive
- Poodle-Dog Bush, Turricula parryiLook but stay far away
- Fragrant Sumac, Rhus aromaticaStay away unless you're positive
- Poison Sumac, Toxicodendron vernixA swamp bush of the eastern USA
- Stinging Nettle, Urtica dioicaAnnoying but also useful
- Graphic Index
- Text Index
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