Juncus stygius subsp. americanus (Buchenau) Hultén
Publ. & Syn.L., Syst. Nat., ed. 10, 2: 987 (1759). Described from northern Europe. Type not designated (Jarvis 2007: 602).
NotesReported chromosome numbers suggest a functional base number of x = 20 and the species as diploid and tetraploid.
Chromosomes(1) 60. - Siberia (N), Far East (N), Canada, Greenland. - Several reports, mostly for J. castaneus.
(2) >90. - Far East (South Chukotka). - Zhukova (1980).
(3) 120. - Far East (N). - Zhukova and Petrovsky (1975); Yurtsev and Zhukova (1978).
GeographyAsian Pacific & North American (N): CAN.
Distribution N = F     E = R     HL = r     [ key ]
Parent taxonJuncus stygius L.
PAF ID320107b
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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)