White
Native: No Information
Watershed: No Information
Introduced: No Information
Location: No Information
 | hemp dogbane Scientific Name Apocynum cannabinum L. Family Dogbane Flower Color White Weed Noxious |
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| hemp dogbane Scientific Name Apocynum cannabinum L. Family Dogbane Flower Color White Weed Noxious |
 | dalmatian toadflax Scientific Name Linaria dalmatica Family Figwort or Snapdragon Plant Type Forb Weed Noxious |
 | blue mustard Scientific Name Chorispora tenella Family Mustard Flower Color Blue - purple Plant Type Forb Introduced Yes Native No Weed Noxious |
| purple mustard Scientific Name Chorispora tenella Family Mustard Flower Color Blue - purple Plant Type Forb Introduced Yes Native No Weed Noxious |
| tenella mustard Scientific Name Chorispora tenella Family Mustard Flower Color Blue - purple Plant Type Forb Introduced Yes Native No Weed Noxious |
 | Scotch thistle Scientific Name Onopordum acanthium Family Composites, Sunflower Flower Color Purple Plant Type Forb Native No Weed Noxious |
 | perennial pepperweed Scientific Name Lepidium latifolium L Family Mustard Flower Color White, cream Plant Type Forb Introduced Yes Native No Weed Noxious |
 | medusahead rye Scientific Name Taeniatherum caput-medusae Family Grass Flower Color Green-yellow Plant Type Grass Introduced Yes Native No Weed Noxious |
 | jointed goatgrass Scientific Name Aegilops cylindrica Family Grass Flower Color Green-yellow Plant Type Grass Native No Weed Noxious |
 | dogbane Scientific Name Apocynum androsaemifolium Family Dogbane Flower Color Pink Plant Type Herb Short Description Poisonous juice. Native Yes Weed Noxious |
| spreading dogbane Scientific Name Apocynum androsaemifolium Family Dogbane Flower Color Pink Plant Type Herb Short Description Poisonous juice. Native Yes Weed Noxious |
 | bull thistle Scientific Name Cirsium vulgare Family Composites, Sunflower Flower Color Purple Plant Type Herb Short Description Biennial. Location McCall Native No Weed Noxious |
 | 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 |
 | purple loosestrife Scientific Name Lythrum salicaria Family Loosestrife Flower Color Purple Plant Type Herb 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 |
| whitetop Scientific Name Cardaria spp. Family Mustard Flower Color White Plant Type Herb Native No Weed Noxious |
 | bread and butter Scientific Name Linaria vulgaris Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall Native No Weed Noxious, Yes |
| butter and eggs Scientific Name Linaria vulgaris Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall Native No Weed Noxious, Yes |
 | common tansy Scientific Name Tanacetum vulgare Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall and many locations Native No Weed Noxious |
 | hardheads Scientific Name Acroptilon repens Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Native No Weed Noxious, Yes |
| Russian knapweed Scientific Name Acroptilon repens Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Native No Weed Noxious, Yes |
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