Monographs Details: Diodia radula subsp. radula
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Rubiaceae
Discussion:

Diodia radula (Willd. & Hoffmanns, ex R. & S.) Cham. & Schl., Linnaea 3: 342. 1828.

Diodia muriculata DC., Prodr. 4: 564. 1830.

Type. Prov. Rio de Janeiro, Brazil, Sellow.