加拿大北极群岛新的维管植物记录。
New vascular plant records for the Canadian Arctic Archipelago.
作者信息
Gillespie Lynn J, Saarela Jeffery M, Sokoloff Paul C, Bull Roger D
机构信息
Botany Section & Centre for Arctic Knowledge and Exploration, Research and Collections, Canadian Museum of Nature, P.O. Box 3443 Stn. D, Ottawa, Ontario K1P 6P4, Canada.
出版信息
PhytoKeys. 2015 Jun 25(52):23-79. doi: 10.3897/phytokeys.52.8721. eCollection 2015.
The Canadian Arctic Archipelago is a vast region of approximately 1,420,000 km(2), with a flora characterized by low species diversity, low endemicity, and little influence by alien species. New records of vascular plant species are documented here based on recent fieldwork on Victoria and Baffin Islands; additional records based on recent literature sources are mentioned. This paper serves as an update to the 2007 publication Flora of the Canadian Arctic Archipelago, and brings the total number of vascular plants for the region to 375 species and infraspecific taxa, an increase of 7.7%. Three families (Amaranthaceae, Juncaginaceae, Pteridaceae) and seven genera (Cherleria L., Cryptogramma R. Br., Platanthera Rich., Sabulina Rchb., Suaeda Forssk. ex J.F. Gmel., Triglochin L., Utricularia L.) are added to the flora, and one genus is deleted (Minuartia L.). Five species are first records for Nunavut (Arenarialongipedunculata Hultén, Cryptogrammastelleri (S.G. Gmel.) Prantl, Puccinelliabanksiensis Consaul, Saxifragaeschscholtzii Sternb., Utriculariaochroleuca R.W. Hartm.).
加拿大北极群岛是一个面积约142万平方公里的广阔区域，其植物区系的特点是物种多样性低、特有性低，且受外来物种影响小。本文基于近期在维多利亚岛和巴芬岛的实地考察记录了维管植物物种的新记录；还提及了基于近期文献来源的其他记录。本文是对2007年出版的《加拿大北极群岛植物志》的更新，使该地区维管植物的总数达到375种和种下分类群，增加了7.7%。植物区系新增了三个科（苋科、水麦冬科、蕨科）和七个属（无茎蝇子草属、隐囊蕨属、斑叶兰属、垫状苔草属、盐地碱蓬属、水麦冬属、狸藻属），删除了一个属（米努草属）。五种植物是努纳武特地区的首次记录（长梗风毛菊、星状隐囊蕨、班克斯氏碱茅、埃氏虎耳草、淡黄狸藻）。
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