| Alisma lanceolatum With. | |
| Publ. & Syn. | With., Arr. Brit. Pl., ed. 3, 2: 362 (1796). Described from the British Isles. |
| Notes | Timokhina (1988) mapped Alisma lanceolatum from the Borderline Arctic along the lower Ob River in northwestern Siberia. |
| Chromosomes | 26 28 (4x). - Europe, Asia (C, SC). - Numerous reports. Not included: A report of 2n = 14 (Aleksandrova 1967) needs confirmation. |
| Geography | European - Asian (W): (SIB). |
| Distribution | N = S E = b YG = b [ key ] |
| Parent taxon | Alisma L. |
| PAF ID | 190103 |