Asteraceae Compositae Cardueae Cynareae Centaurea americana Basket-flower interseeding Heliantheae Verbesina enceliodes Cowpen Daisy Euphorbiaceae Spurge Family Stillingia texana Queen's Delight Gentianaceae Centaurium beyrichii Mountain-pink interseeding Rosaceae Prunus serotina var. eximia Escarpment Black Cherry