- hydropiper L. [1753, Sp. Pl. : 367] 2n = 40 1, 2, 3, 4, 5, 6 subsp. campylosperma (Seubert) P. Fourn. [1936, Quatre Fl. Fr. : 442] 12, = E. macropoda 3 | |
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- macropoda Guss. [1827, Fl. Sic. Prodr., 1 : 475] 0, 2, 4, 5, 6, 12 subsp. campylosperma (Seubert) Nyman [1878, Consp. Fl. Eur. : 123] = E. macropoda | |
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| - campylosperma Seubert in Walpers [1842, Repert. Bot. Syst., 1 : 284] = E. macropoda 0 | |
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