Clematis patens C.Morren & Decne. [ Clematis patens var. sophia Van Houtte]
no HD illustration available (m1)
Clematis patens C.Morren & Decne. [Ranunculaceae]
L.B. Van Houtte, Fl. Serres, vol. 8 : t. 852 (1853) [L. Stroobant]