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 |
 | 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 |
| 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 |
 | yellow starthistle Scientific Name Centaurea solstitialis Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes |
 | 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 |
 | yellow sweetclover Scientific Name Melilotus officinalis Family Legume or Pea Flower Color Yellow Plant Type Herb Introduced Yes Native No Weed Yes |
 | black mustard Scientific Name Brassica nigra Family Mustard Flower Color Yellow Plant Type Forb Introduced Yes Native No Weed Yes |
 | common purslane Scientific Name Portulaca oleracea Family Purslane Flower Color Yellow Plant Type Herb Short Description Common purslane Native No Weed Yes |
 | leafy spurge Scientific Name Euphorbia esula Family Spurge Flower Color Yellow Plant Type Forb Introduced Yes Weed Yes |
 | St. John's Wort Scientific Name Hypericum formosum var. Scouleri Family St. John's Wort Flower Color Yellow Plant Type Herb Weed Yes |