Butter and eggs or common toadflax (Linaria vulgaris)
Appearance: Perennial herbaceous plant, 1- 2' high with multiple erect stems growing from rootstalks.
Leaves: Alternate, smooth, 0.5 -1.5" long and narrow.
Flowers: Bright yellow flowers with a long spur are arranged in an elongated cluster of 15 - 20 flowers along each stem; blooming from mid July until late September.
Seeds: Small seeds are easily dispersed by wind and water, and stay viable in the soil for up to 8 years.
Roots: Root buds form on the taproot and lateral roots. Spreads also vegetatively, root fragments the size of 12" are capable of producing a new plant.