Zosteraceae
Publ. & Syn.?Ruppia occidentalis S. Watson, Proc. Amer. Acad. Arts 25: 138 (1890). Described from British Columbia (Canada). - ?Ruppia cirrhosa subsp. occidentalis (S. Watson) Á. Löve & D. Löve, Taxon 30: 700 (1981).
Chromosomes40 (4x). - Europe, Canada. - Several reports.
Not included: Reports of 2n = 20 (2x) from Spain and of 2n = 60 (6x) from Germany.
GeographyCosmopolitan: ICE ALA.
Child taxa Zostera L.
PAF ID23
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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)