Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Eunotia microcephala Krasske ex Hustedt Northern Quebec (QUE) 0.20 1.16 3.60
Fragilaria delicatissima Northern Quebec (QUE) 0.40 2.00 3.60
Fragilaria oldenburgiana Hustedt Labrador, Canada (LAB) 0.20 1.55 3.60
Fragilaria tenera (Smith) Lange-Bertalot Northern Quebec (QUE) 0.40 1.23 3.60
Navicula agrestis Hustedt Northern Quebec (QUE) 0.20 0.78 3.60
Navicula bryophila Petersen Labrador, Canada (LAB) 0.20 1.17 3.60
Navicula digitulus Hustedt Pechora River, Russia (PEC) 0.27 1.11 3.60
Pinnularia mesolepta CDD_FM morphotype III (Ehrenberg) W. Smith 1853 sensu Krammer 1992 Northern Quebec (QUE) 0.20 0.99 3.60
Stauroneis neohyalina Lange-Bertalot in Lange-Bertalot et Metzeltin 1996 Northern Quebec (QUE) 0.20 0.91 3.60
Pinnularia subinterrupta Krammer et Schroeter Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.19 1.20 3.59
Psammothidium chlidanos (Hohn et Hellerman) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.31 1.36 3.59
Fragilaria construens var. exigua (Smith) Schulz Pechora River, Russia (PEC) 0.63 1.69 3.58
Achnanthes saccula Carter Northern Sweden (SWE) 0.19 0.90 3.57
Achnanthes scotica Flower et Jones Pechora River, Russia (PEC) 3.57 3.57 3.57
Navicula mediocris Krasske Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.93 3.57
Achnanthes pusilla (Grunow) DeToni Yellowknife area, Northwest Territories, Canada (YEL) 0.27 1.36 3.55
Eunotia naegelii Migula Northern Sweden (SWE) 0.17 0.97 3.55
Achnanthes nodosa Cleve Northern Sweden (SWE) 0.18 0.87 3.54
Encyonema silesiacum (Bleisch) Mann Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.20 1.40 3.54
Eunotia bilunaris var. mucophila Lange-Bertalot 1991 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.33 1.65 3.54
Nitzschia dissipata var. media (Hantzsch) Grunow Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.44 1.95 3.54
Pinnularia interrupta Smith Pechora River, Russia (PEC) 0.26 0.94 3.54
Navicula cf. veneta DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.17 3.53
Nitzschia fonticola Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.13 3.53
Nitzschia gracilis Hantzsch ex Rabenhorst Northern Sweden (SWE) 0.17 0.74 3.53
Adlafia sp. 1 DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.47 3.52
Navicula mediocris Krasske Yellowknife area, Northwest Territories, Canada (YEL) 0.29 1.44 3.52
Stauroneis thermicoloides Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 3.52 3.52 3.52
Diatoma tenuis Agardh Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.56 3.50
Amphora copulata (Kützing) Schoeman et Archibald Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.17 1.24 3.49
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