- coloratus Hornem. in Oeder [1813, Fl. Dan., 9 (25) : 4] 2n = 26 0, 2, 3, 4, 5, 6, 12
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| - crispus L. [1753, Sp. Pl. : 126] 2n = 52 0, 1, 2, 3, 4, 5, 6, 12 | |
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| - lucens G.H. Weber in Wiggers [1780, Prim. Fl. Holsat. : 15], non L. [1753, Sp. Pl. : 126] 0 = P. praelongus | |
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| - natans L. [1753, Sp. Pl. : 126] 2n = 52 0, 1, 2, 3, 4, 5, 6, 12 | |
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| - nodosus Poiret in Lam. [1816, Encl. Méth., Bot., Suppl. 4 : 535] 2n = 52 0, 4, 5, 6, 12 | |
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| - pectinatus L. [1753, Sp. Pl. : 127] 2n = 78 0, 1, 2, 3, 4, 5, 6, 12 | |
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| - pusillus L. [1753, Sp. Pl. : 127] 2n = 26 1, 2, 3, 4, 6 | |
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