Rorippa sylvestris (L.) Besser
Publ. & Syn.Besser, Enum. Pl.: 27 (1822). - Sisymbrium sylvestre L., Sp. Pl.: 657 (1753). Lectotype (BM-000646339): Europe. Herb. Clifford: 336, Sisymbrium 2 (Jonsell 1968: 160).
NotesSubspecies sylvestris is the most widespread of several subspecies. Kristinsson (2008) reported it to reach the Arctic as an established adventive in Iceland. It is casual in Svalbard and probably in Greenland.
Chromosomes(1) 16 (2x). - Europe (Slovakia). - Májovský et al. (1978).
(2) 32 (4x). - Europe, Canada. - Several reports, numerous counts.
(3) 40 (5x). - Europe, Canada. - Several reports.
(4) 48 (6x). - Europe, Canada. - Numerous reports, at least 28 counts from Canada alone.
GeographyEuropean: ICE* NOR** GRL**.
Distribution N = *     C = **     GW = **     Ic = *     E = *     SF = **     [ key ]
Parent taxonRorippa Scop.
PAF ID671302
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Panarctic Flora Editor-in-Chief: Reidar Elven (Natural History Museum, University of Oslo)
Editorial Committee: Reidar Elven, David F. Murray (Museum of the North, University of Alaska), Volodya Yu. Razzhivin (Komarov Botanical Institute, Russian Academy of Sciences), Boris A. Yurtsev [deceased] (Komarov Botanical Institute, Russian Academy of Sciences)