(Tanacetum vulgare L.)
Toxicity: Can cause abortions in humans if ingested; will cause liver damage in some livestock, but it is largely palatable.
Growth Habit: Perennial, erect, bushy, to 6 feet tall.
Leaves: Dark green, alternate, deeply divided into numerous narrow, toothed leaflets (fern like).
Stem: Purplish red in color
Flower: Yellow, button - like, without petals, 1/2 inch across in flat topped dense clusters.
Roots: Reproduces from roots.
Seeds: Yellowish brown with short 5 toothed crown.
Reproduction: Reproduces by roots and seeds.
Habitat: It is generally found along roadsides, waste areas, streambanks, and in pastures throughout most of the U.S. and Canada.
Herbicides: Tordon + 2,4-D, Escort