Ranunculus pensylvanicus L. f. (N-Am.) – An exceptional grain alien. A single plant was recorded on the unloading quay for cereals at the Amerikadok in the port of Antwerpen in 2012.
Similar records are available from Scandinavia (Uotila 2001).
Selected literature:
Uotila P. (2001) Ranunculaceae. In: Jonsell B. (ed.), Flora Nordica, vol. 2. The Bergius Foundation, Stockholm: 227-335.