Gibsoniothamnus latidentatus A.H.Gentry [ Gibsoniothamnus cornutus var. latidentatus (A.H.Gentry) D’Arcy]
no HD illustration available (m1)
Gibsoniothamnus latidentatus A.H.Gentry [ Schlegelia cornuta Donn.Sm.] [Scrophulariaceae]
Ann. Missouri Bot. Gard., vol. 66 : p. 226, fig. 11 (1979) [Y.L. Wilson]