Yellow, Forb Plants in the Composites, Sunflower Family by Common Name where Native includes No and Weed includes Yes

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annual sowthistle
Scientific Name Sonchus oleraceus
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
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

yellow starthistle (Centaurea solstitialis)

yellow starthistle
Scientific Name Centaurea solstitialis
Family Composites, Sunflower
Flower Color Yellow
Plant Type Forb
Native No
Weed Yes