Equisetum hyemale L.
Publ. & Syn.L., Sp. Pl.: 1062 (1753). Described from Europe. Type not designated (Jarvis 2007: 497). - Hippochaete hyemalis (L.) Bruhin, Verh. K.K. Zool.-Bot. Ges. Wien 18: 760 (1868).
NotesWe accept two subspecies of Equisetum hyemale, both relevant for the Arctic and rather different morphologically: the Eurasian and eastern Greenlandic subsp. hyemale and the North American subsp. affine.
Chromosomes>200 216 (2x). - Europe (N), Alaska. - Löve and Löve (1961c); Packer and McPherson (1974, 2n = >200, 'corrected' to 2n = ca. 216 by Löve and Löve 1975a).
GeographyCircumboreal.
Parent taxonEquisetum L.
Child taxa Equisetum hyemale subsp. affine (Engelm.) Calder & R.L. Taylor
Equisetum hyemale subsp. hyemale
PAF ID040106
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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)