Wahlenbergia gracilis (Forster f.) A. DC. [ Wahlenbergia vinciflora Decne.]
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Wahlenbergia gracilis (Forster f.) A. DC. [ Campanula gracilis Forster f.] [Campanulaceae]
J. Paxton, J. Lindley, Paxton’s Fl. Gard., vol. 2 : p. 13, fig. 142 (1853)