Location: McCall
 | water hemlock Scientific Name Cicuta douglasii Family Parsley Flower Color White Plant Type Herb Short Description Poisionous plant, wet soil. Leaves: 1-3 times pinnate Location McCall Weed Noxious |
Location: No Information
 | hemp dogbane Scientific Name Apocynum cannabinum L. Family Dogbane Flower Color White Weed Noxious |
 | hoary cress Scientific Name Cardaria spp. Family Mustard Flower Color White Plant Type Herb Native No Weed Noxious |
 | poison hemlock Scientific Name Conium maculatum Family Parsley Flower Color White Plant Type Herb Native No Weed Noxious |
| whitetop Scientific Name Cardaria spp. Family Mustard Flower Color White Plant Type Herb Native No Weed Noxious |