Brickellia grandiflora (Hook.) Nutt.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - A western sp. with deltoid or cordate lvs and merely barbellate pappus, extends e. to s. and c. Mo., and may prove to occur in our range. It would key to Kuhnia.