* Western Yellow Cress: Rorippa curvisiliqua var. curvisiliqua
* Turkey Mullein: Croton setigerus
* Tall Annual Willowherb: Epilobium brachycarpum
* Narrow-leaf Milkweed: Asclepias fascicularis
Dodder: Cuscuta species
* Field Mint: Mentha canadensis
* Showy Downingia: Downingia elegans
* Western Aster: Symphyotrichum spathulatum var. intermedium
* Bull Thistle: Cirsium vulgare
* Horseweed: Conyza canadensis
* Prickly Lettuce: Lactuca serriola
* Stinking Tarweed: Madia glomerata
* Common Cocklebur: Xanthium strumarium