Roella squarrosa P. Bergius [ Roella filiformis Lam.]
no HD illustration available (m1)
Roella squarrosa P. Bergius [Campanulaceae]
J.B.P.A. de Monet de Lamarck, J.L.M. Poiret, Tabl. Encycl., vol. 1 : t. 123, fig. 2 (1791) [Fossier]