Agalinis gattingeri (Small) Small
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Very much branched, the very slender lateral branches with a few small lvs and rarely more than a single apparently terminal fl; fls also very few on the central axis, but a terminal raceme scarcely developed; herbage persistently yellow-green; pedicels at anthesis 5–25 mm; cal-tube 2.5–3.5 mm, reticulate-veiny, the lobes broadly triangular, 0.6–0.8 mm; cor 1.2–1.8 cm, pink; pollen-sacs 1.3–2 mm; fr subglobose, 4–5 mm; seeds yellow-brown; 2n=26. Woods, hills, and barrens; sw. Ont. to Ala., w. to Minn., Okla., and Tex. (Gerardia g.)