Scientific Name Sonchus oleraceus
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Native No
Weed Yes
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| annual sowthistle Scientific Name Sonchus oleraceus Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed 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 |
 | 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 |
 | chicory Scientific Name Cichorium intybus Family Composites, Sunflower Flower Color Blue Plant Type Herb Location McCall Native No Weed Yes |
 | common cockleburr Scientific Name Xanthium strumarium Family Composites, Sunflower Flower Color Green Plant Type Forb Introduced North America Native No Weed Yes |
 | common groundsel Scientific Name Senecio vulgaris Family Composites, Sunflower Flower Color White, yellow Plant Type Forb Native No Weed 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 |
 | compass plant Scientific Name Lactuca serriola Family Composites, Sunflower Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes |
 | dandelion Scientific Name Taraxacum officinale Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall Native No Weed Yes |
 | devil's beggarticks Scientific Name Bidens frondosa Family Composites, Sunflower Native No Weed Yes |
 | diffuse knapweed Scientific Name Centaurea diffusa Family Composites, Sunflower Flower Color Light Pink Plant Type Forb Native No Weed Yes |
 | hardheads Scientific Name Acroptilon repens Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Native No Weed Noxious, Yes |
| leafy beggarticks Scientific Name Bidens frondosa Family Composites, Sunflower Native No Weed Yes |
| leafy sticktight Scientific Name Bidens frondosa Family Composites, Sunflower Native No Weed Yes |
 | marshelder Scientific Name Iva xanthifolia Family Composites, Sunflower Plant Type Forb Native No Weed Yes |
| old-man-in-the-Spring Scientific Name Senecio vulgaris Family Composites, Sunflower Flower Color White, yellow Plant Type Forb Native No Weed Yes |
| prickly lettuce Scientific Name Lactuca serriola Family Composites, Sunflower Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes |
 | rush skeletonweed Scientific Name Chondrilla juncea Family Composites, Sunflower Flower Color Yellow Plant Type Forb Introduced Yes Native No Weed Yes |
| Russian knapweed Scientific Name Acroptilon repens Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Native No Weed Noxious, Yes |
 | Scotch thistle Scientific Name Onopordum acanthium Family Composites, Sunflower Flower Color Purple Plant Type Forb Native No Weed Noxious |
 | spotted knapweed Scientific Name Centaurea maculosa Family Composites, Sunflower Plant Type Forb Native No Weed Yes |
 | yellow starthistle Scientific Name Centaurea solstitialis Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes |