Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula minuscula Grunow Taimyr Peninsula, Russia (TAI) 0.33 0.77 1.26
Navicula pseudoventralis Hustedt Pechora River, Russia (PEC) 0.59 0.77 1.22
Navicula sp. 4 DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.77 0.77 0.77
Peronia fibula (Brébisson ex Kützing) Ross Abisko, Sweden (ABK) 0.24 0.77 1.15
Pinnularia brauniana (Grunow) Mills 1934 Northern Quebec (QUE) 0.20 0.77 1.80
Pinnularia microstauron Morphotyp II Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.77 2.92
Staurosirella pinnata (Ehrenberg) Williams et Round Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.38 0.77 1.17
Achnanthes altaica (Poretzky) Cleve-Euler Labrador, Canada (LAB) 0.20 0.76 2.40
Achnanthes imperfecta Schimanski Northern Sweden (SWE) 0.19 0.76 1.33
Achnanthes lanceolata subsp. frequentissima Lange-Bertalot Abisko, Sweden (ABK) 0.47 0.76 1.58
Achnanthes laterostrata Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.76 3.29
Achnanthes levanderi Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.76 2.63
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.76 2.30
Caloneis branderii (Hustedt) Krammer Northern Quebec (QUE) 0.20 0.76 1.80
Cymbella gracilis (Ehrenberg) Kützing Labrador, Canada (LAB) 0.20 0.76 4.00
Diatoma moniliformis Kützing Pechora River, Russia (PEC) 0.54 0.76 1.16
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Northern Quebec (QUE) 0.20 0.76 2.20
Eunotia intermedia (Krasske ex Hustedt) Nörpel et Lange-Bertalot Labrador, Canada (LAB) 0.20 0.76 3.20
Navicula schmassmannii Hustedt 1943 Taimyr Peninsula, Russia (TAI) 0.30 0.76 1.89
Neidium bisulcatum (Lagerstedt) Cleve Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.76 0.76 0.76
Neidium bisulcatum (Lagerstedt) Cleve Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.76 0.76 0.76
Pinnularia brandelii Cleve Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.76 0.76 0.76
Psammothidium kryophilum (Petersen) E. Reichardt 2004 Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.32 0.76 1.29
Stauroneis sp. gracilis/heinii DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.57 0.76 0.95
Achnanthes carissima Lange-Bertalot Northern Quebec (QUE) 0.20 0.75 1.80
Achnanthes sp. impexiformis/impexa CDD_FM Lena River, Russia (LEN) 0.29 0.75 2.17
Brachysira zellensis (Grunow) Round et Mann Abisko, Sweden (ABK) 0.20 0.75 6.48
Cyclotella bodanica var. lemanica (O. Müller ex Schroter) Bachmann 1903 Northern Quebec (QUE) 0.20 0.75 2.80
Cyclotella distinguenda Hustedt Abisko, Sweden (ABK) 0.24 0.75 1.21
Cymbella gracilis (Ehrenberg) Kützing Northern Quebec (QUE) 0.20 0.75 2.20
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