Memoirs of The New York Botanical Garden
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of Vascular Plants of Northeastern United States and adjacent Canada
Details: Diodia teres Walter subsp. teres
Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Diodia teres Walter subsp. teres
Although D. teres shows integradation with the following subspecies, it can be separated from them in general by its usually broader leaves and longer fruits, as well as by the usually more intense lavender or lilac corollas.