]> Botany [collector note: MO, SEL] Luer, Carlyle August & Dressler, Robert Louis Luer, Carlyle August & Dressler, Robert Louis C. A. Luer & R. L. Dressler Luer & Dressler Carlyle August Luer & Robert Louis Dressler Luer, C. A. & Dressler, R. L.