Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cymbella gaeumannii Meister Labrador, Canada (LAB) 0.20 4.70 18.00
Cyclotella iris Brun et Héribaud Abisko, Sweden (ABK) 17.98 17.98 17.98
Fragilaria pseudoconstruens Marciniak Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.13 17.97
Fragilaria pinnata Ehrenberg Labrador, Canada (LAB) 0.20 3.84 17.90
Stauroneis jarensis Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 2.96 17.90
Achnanthes pusilla (Grunow) DeToni Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 2.77 17.70
Achnanthes nodosa Cleve Abisko, Sweden (ABK) 0.23 1.94 17.63
Stauroneis cf. prominula DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 4.45 17.62
Cyclotella delicatissima Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.66 3.89 17.55
Achnanthes curtissima Carter Abisko, Sweden (ABK) 0.22 3.40 17.52
Diploneis smithii var. dilatata (Peragallo) Boyer Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.14 17.39
Aulacoseira distans var. nivalis (Smith) Haworth Labrador, Canada (LAB) 0.20 3.11 17.30
Navicula cf. vitiosa SWE-TAI-LEN CDD Schimanski 1978 Lena River, Russia (LEN) 0.27 2.75 17.30
Navicula cryptocephala Kützing Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 4.42 17.27
Navicula disjuncta Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.76 17.22
Navicula laevissima Kützing Northern Sweden (SWE) 0.18 2.26 17.11
Cavinula pseudoscutiformis (Grunow ex Schmidt) Mann et Stickle Bylot Island, Nunavut, Canada. (BYL) 0.20 3.83 17.00
Cyclotella comensis Grunow et Van Heurck 1882 Abisko, Sweden (ABK) 0.21 3.94 16.87
Fragilaria virescens var. exigua Grunow Northern Sweden (SWE) 0.18 3.38 16.79
Eunotia serra var. diadema (Ehrenberg) Patrick Pechora River, Russia (PEC) 16.67 16.67 16.67
Fragilaria pseudoconstruens Marciniak Taimyr Peninsula, Russia (TAI) 0.32 4.93 16.67
Stephanodiscus hantzschii Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.66 7.09 16.50
Navicula sp. 2 DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.38 4.09 16.45
Achnanthes pusilla (Grunow) DeToni Lena River, Russia (LEN) 0.60 3.73 16.35
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Labrador, Canada (LAB) 0.20 3.35 16.30
Navicula seminulum var. intermedia Hustedt Northern Sweden (SWE) 0.16 2.39 16.26
Fragilaria brevistriata var. inflata (Pantocsek) Hustedt Taimyr Peninsula, Russia (TAI) 0.31 5.28 15.99
Navicula phylleptosoma Lange-Bertalot Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.37 5.62 15.92
Fragilaria construens var. venter (Ehrenberg) Grunow Lena River, Russia (LEN) 0.31 5.39 15.89
Aulacoseira distans (Ehrenberg) Simonsen Northern Quebec (QUE) 0.20 2.49 15.80
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