Image source: Cusset C. 1983 Contribution à l’étude des Podostemaceae. 7. Ledermanniella Engl. sous-genre Phyllosoma C. Cusset. Bull. Mus. Natn. Hist. Nat. Paris, Sér. 5, (Sect. B, Adansonia, n. 4, 1983): 361-390. Adansonia, Sér. 2, 20(2): 199-207. |
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Image source: Engler A. 1928 Reihe Podostemales. In Engler, A., Prantl, K. (eds.): Die natürlichen Pflanzenfamilien, 2. Aufl. 18a: 1-68, 483-484. [published as volume in 1930] |