Agalinis acuta Pennell - Sandplain Gerardia
Recent work suggests that this species should be synonymized under A. decemloba (Greene) Pennell (Agalinis obtusifolia Raf.); see:
Pettengill, J. B. & M. C. Neel. 2011. A sequential approach using genetic and morphological analysis to test species status: the case of United States federally endangered Agalinis acuta (Orobanchaceae). Amer. J. Bot. 98(5):859-871.