PAF: Puccinellia Parl.

	Puccinellia Parl.
Publ. & Syn.	Arctopoa eminens x Dupontia fisheri.
Notes	Four rather different sections are represented in the Arctic: the stoloniferous sect. Paralochloa, the tussocky sect. Puccinellia with the majority of the species, the also tussocky sect. Pumilae, and sect. Pseudocolpodium. A fifth section, the short-rhizomatous sect. Xeratropis, approaches the Arctic in Norway. A large number of species of Puccinellia are reported - and partly also described - from the Arctic (see especially Sørensen 1953). A certain reduction in species number is under way in North America, by synonymization (Consaul and Gillespie 2001; Soreng et al. 2003; Davis and Consaul 2007; Consaul et al. 2008b). We follow their proposals. A similar process is to be expected in Russia and perhaps in northwestern Europe in the future.
Chromosomes	44-46 (ca. 4x). - Canada (NE). - Darbyshire et al. (1992), six counts.
Geography	American Beringian & American Atlantic: ALA CAN.
Parent taxon	Poaceae
Child taxa	Puccinellia alaskana Scribn. & Merr. Puccinellia andersonii Swallen Puccinellia angustata (R. Br.) E.L. Rand & Redfield Puccinellia arctica (Hook.) Fernald & Weath. Puccinellia banksiensis Consaul Puccinellia beringensis Tzvelev Puccinellia borealis Swallen Puccinellia bruggemannii T.J. Sørensen Puccinellia byrrangensis Tzvelev Puccinellia coarctata Fernald & Weath. Puccinellia distans (Jacq.) Parl. Puccinellia geniculata (V.I. Krecz.) T.J. Sørensen Puccinellia gorodkovii Tzvelev Puccinellia groenlandica T.J. Sørensen Puccinellia hauptiana (Trin. ex V.I. Krecz.) Kitag. Puccinellia jenisseiensis (Roshev.) Tzvelev Puccinellia laurentiana Fernald & Weath. Puccinellia lenensis (Holmb.) Tzvelev Puccinellia lucida Fernald & Weath. Puccinellia maritima (Huds.) Parl. Puccinellia nuttalliana (Schult.) Hitchc. Puccinellia phryganodes (Trin.) Scribn. & Merr. Puccinellia porsildii T.J. Sørensen Puccinellia pumila (Macoun ex Vasey) Hitchc. Puccinellia sibirica Holmb. Puccinellia sp. "Banks Island" Puccinellia sp. "Svalbard" Puccinellia svalbardensis Rønning Puccinellia tenella (Lange) Holmb. Puccinellia vaginata (Lange) Fernald & Weath. Puccinellia vahliana (Liebm.) Scribn. & Merr. Puccinellia wrightii (Scribn. & Merr.) Tzvelev The Puccinellia nutkaënsis aggregate
PAF ID	3432

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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)