Nordstedt & Wahlstedt, Charac. Scand.
Nordstedt, C.F.O.; Wahlstedt, L.J. [1 - 120]

Field Museum of Natural History
Catalog #: C0536464F
O. Nordstedt #s.n. 09 September 1867
Nitella flexilis var. crassa A.Braun
Sweden, Västra Götalands län, In Lake Vättern to Aspa Närke [In lacu Wettern ad Aspa Nericiae]