 | bread and butter Scientific Name Linaria vulgaris Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall Native No Weed Noxious, Yes |
 | bull thistle Scientific Name Cirsium vulgare Family Composites, Sunflower Flower Color Purple Plant Type Herb Short Description Biennial. Location McCall Native No Weed Noxious |
| butter and eggs Scientific Name Linaria vulgaris Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall Native No Weed Noxious, Yes |
 | Canada thistle Scientific Name Cirsium arvense Family Composites, Sunflower Flower Color Purple Plant Type Herb Short Description Perennial, deep-seated creeping underground roots. Leaves: Spiny, pinnatifid Location McCall Native No Weed Noxious |
 | common tansy Scientific Name Tanacetum vulgare Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall and many locations Native No 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 |
 | purple loosestrife Scientific Name Lythrum salicaria Family Loosestrife Flower Color Purple Plant Type Herb Native No Weed Noxious |
| whitetop Scientific Name Cardaria spp. Family Mustard Flower Color White Plant Type Herb Native No Weed Noxious |