Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula cf. cryptotenella YUK-YEL-TAI CDD Yellowknife area, Northwest Territories, Canada (YEL) 0.25 1.13 2.59
Navicula cf. veneta DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 2.59 2.59 2.59
Brachysira zellensis (Grunow) Round et Mann Northern Sweden (SWE) 0.18 0.94 2.58
Cymbella microcephala Grunow Northern Sweden (SWE) 0.18 1.04 2.58
Neidium decoratum Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 2.58 2.58 2.58
Nitzschia palustris Hustedt Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 1.23 2.58
Nitzschia radicula Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.72 2.58
Sellaphora insolita Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 1.08 2.58
Psammothidium chlidanos (Hohn et Hellerman) Lange-Bertalot Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.00 2.57
Navicula cf. absoluta LEN-PEC-TAI CDD Taimyr Peninsula, Russia (TAI) 0.30 1.13 2.56
Navicula cf. vitiosa SWE-TAI-LEN CDD Schimanski 1978 Taimyr Peninsula, Russia (TAI) 0.30 1.06 2.56
Nitzschia gracilis Hantzsch ex Rabenhorst Taimyr Peninsula, Russia (TAI) 0.55 1.03 2.56
Nitzschia lacuum Lange-Bertalot Lena River, Russia (LEN) 0.63 1.27 2.56
Achnanthes daonensis Lange-Bertalot 1989 Southampton Island, Nunavut, Canada (SI) 0.19 0.94 2.55
Pinnularia abaujensis (Pantocsek) Ross Northern Sweden (SWE) 0.17 0.66 2.54
Fragilaria lapponica Grunow Taimyr Peninsula, Russia (TAI) 0.28 1.07 2.53
Navicula cf. rhynchocephala DERMOT fo. elegans Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 2.53 2.53 2.53
Achnanthes gracillima Hustedt Lena River, Russia (LEN) 0.32 1.16 2.52
Diploneis marginestriata Hustedt Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.40 1.23 2.52
Asterionella formosa Hassal Northern Sweden (SWE) 0.24 1.37 2.51
Denticula tenuis Kützing Lena River, Russia (LEN) 0.29 0.87 2.51
Nitzschia inconspicua Grunow Lena River, Russia (LEN) 0.32 1.21 2.51
Achnanthes calcar Cleve Lena River, Russia (LEN) 2.50 2.50 2.50
Achnanthes holsatica Hustedt Lena River, Russia (LEN) 2.50 2.50 2.50
Achnanthes laterostrata Hustedt Labrador, Canada (LAB) 0.20 1.17 2.50
Caloneis bacillum (Grunow) Cleve Lena River, Russia (LEN) 0.31 1.08 2.50
Fragilaria capucina var. gracilis (Østrup) Hustedt Taimyr Peninsula, Russia (TAI) 0.30 1.14 2.50
Pinnularia microstauron (Ehrenberg) Cleve Northern Sweden (SWE) 0.16 0.68 2.50
Aulacoseira distans var. nivalis (Smith) Haworth Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.95 2.49
Eunotia flexuosa Brébisson ex Kützing Abisko, Sweden (ABK) 0.23 0.67 2.49
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