Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula pseudoscutiformis Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.28 1.02 2.91
Navicula subrotundata Hustedt Pechora River, Russia (PEC) 0.51 1.02 1.79
Nitzschia sp. 4 Québec EMILIE Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.64 1.02 1.64
Achnanthes curtissima Carter Pechora River, Russia (PEC) 0.26 1.01 5.36
Achnanthes marginulata Grunow Abisko, Sweden (ABK) 0.23 1.01 3.95
Achnanthes pusilla (Grunow) DeToni Northern Quebec (QUE) 0.20 1.01 3.40
Cymbella minuta Hilse ex Rabenhorst Taimyr Peninsula, Russia (TAI) 0.60 1.01 2.68
Eunotia arcus Ehrenberg Southampton Island, Nunavut, Canada (SI) 0.19 1.01 3.32
Frustulia rhomboides (Ehrenberg) De Toni Abisko, Sweden (ABK) 0.23 1.01 6.39
Navicula bryophila Petersen Abisko, Sweden (ABK) 0.23 1.01 6.34
Navicula elginensis (Gregory) Ralfs Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.01 2.12
Navicula gregaria Donkin Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.01 1.70
Navicula sp. 4 DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.37 1.01 2.24
Navicula subrotundata Hustedt Taimyr Peninsula, Russia (TAI) 0.63 1.01 2.10
Nitzschia acicularis (Kützing) Smith Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.01 4.26
Nitzschia cf. suchlandtii DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 1.01 4.41
Pinnularia abaujensis (Pantocsek) Ross Abisko, Sweden (ABK) 0.22 1.01 8.96
Brachysira follis (Ehrenberg) R. Ross in Hartley 1986 Northern Quebec (QUE) 1.00 1.00 1.00
Cyclotella michiganiana Skvortzow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 1.00 1.00 1.00
Diploneis ovalis (Hilse ex Rabenhorst) Cleve Abisko, Sweden (ABK) 1.00 1.00 1.00
Fragilaria capucina var. capucina Desmazières 1825 Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 1.00 2.77
Fragilaria leptostauron (Ehrenberg) Hustedt Northern Quebec (QUE) 0.20 1.00 2.00
Fragilaria vaucheriae (Kützing) Petersen Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.00 2.04
Frustulia cf. magaliesmontana CDD_FM Cholnoky 1957 Northern Quebec (QUE) 1.00 1.00 1.00
Gomphonema cf. olivaceum YUK CDD Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.66 1.00 1.67
Navicula absoluta Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.00 2.04
Navicula cf. cryptotenella YUK-YEL-TAI CDD Taimyr Peninsula, Russia (TAI) 0.63 1.00 1.19
Navicula cryptocephala Kützing Northern Quebec (QUE) 0.20 1.00 2.40
Navicula cumbriensis Haworth 1987 Northern Sweden (SWE) 0.29 1.00 2.87
Navicula jaernefeltii Hustedt 1942 Labrador, Canada (LAB) 1.00 1.00 1.00
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