Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Achnanthes laterostrata Hustedt Abisko, Sweden (ABK) 0.23 1.30 6.84
Achnanthes minutissima Kützing Pechora River, Russia (PEC) 0.28 1.30 4.46
Aulacoseira sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 1.30 3.20
Eunotia pectinalis (Müller) Rabenhorst Labrador, Canada (LAB) 0.20 1.30 7.30
Nitzschia valdestriata Aleem et Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.30 5.78
Eunotia rostellata Hustedt ex Patrick Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 1.29 1.29 1.29
Fragilaria brevistriata Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.29 8.79
Microcostatus cf. krasskei DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.29 3.07
Navicula sp. 1 Siberia CDD_FM Taimyr Peninsula, Russia (TAI) 0.61 1.29 2.91
Achnanthes gracillima Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.28 3.30
Caloneis cf. silicula DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.28 1.28 1.28
Eucocconeis flexella (Kützing) Cleve Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.28 3.07
Fragilaria lapponica Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.28 2.98
Gomphonema parvulum (Kützing) Kützing Lena River, Russia (LEN) 0.31 1.28 5.11
Aulacoseira distans (Ehrenberg) Simonsen Yellowknife area, Northwest Territories, Canada (YEL) 0.26 1.27 3.12
Fragilaria cf. parasitica CDD_FM (W. Smith) Grunow in Van Heurck 1881 Northern Quebec (QUE) 0.80 1.27 1.80
Navicula crucicula var. alaskana Lena River, Russia (LEN) 1.27 1.27 1.27
Navicula menisculus Schumann Taimyr Peninsula, Russia (TAI) 1.27 1.27 1.27
Navicula pseudoscutiformis Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 1.27 11.11
Nitzschia lacuum Lange-Bertalot Lena River, Russia (LEN) 0.63 1.27 2.56
Nitzschia sp. 4 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 1.27 2.80
Nitzschia tubicola Grunow ex Cleve et Grunow Lena River, Russia (LEN) 0.31 1.27 1.89
Psammothidium ventrale Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.31 1.27 3.93
Stauroneis anceps Ehrenberg Abisko, Sweden (ABK) 0.20 1.27 6.44
Tabellaria flocculosa (Roth) Kützing Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.25 1.27 6.80
Achnanthes rossii Hustedt 1954 Lena River, Russia (LEN) 0.31 1.26 5.52
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Northern Quebec (QUE) 0.20 1.26 4.80
Diatoma moniliformis Kützing Lena River, Russia (LEN) 1.26 1.26 1.26
Eunotia boreotenuis Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.65 1.26 2.43
Fragilaria capucina Desmazières Pechora River, Russia (PEC) 1.26 1.26 1.26
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