Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Nitzschia palea (Kützing) Smith Lena River, Russia (LEN) 0.62 1.36 2.45
Pinnularia silvatica Petersen Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.33 1.36 3.18
Pinnularia suchlandtii Hustedt Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.37 1.36 2.88
Psammothidium chlidanos (Hohn et Hellerman) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.31 1.36 3.59
Tabellaria binalis var. binalis (Ehrenberg) Grunow in Van Heurck 1881 Abisko, Sweden (ABK) 0.98 1.36 1.74
Achnanthes laterostrata Hustedt Lena River, Russia (LEN) 0.31 1.35 4.65
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Bylot Island, Nunavut, Canada. (BYL) 0.05 1.35 23.59
Cymbella cleve-eulerae Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.28 1.35 4.12
Nitzschia pura Hustedt Pechora River, Russia (PEC) 0.55 1.35 4.65
Amphora oligotraphenta Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.34 1.34 1.34
Cymbella hebridica Grunow ex Cleve Abisko, Sweden (ABK) 0.21 1.34 6.87
Geissleria similis Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 1.34 1.34 1.34
Navicula absoluta Hustedt Lena River, Russia (LEN) 0.54 1.34 2.48
Pinnularia borealis Ehrenberg Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.18 1.34 4.36
Achnanthes chlidanos Hohn et Hellermann Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.33 8.20
Aulacoseira perglabra (Østrup) Haworth Pechora River, Russia (PEC) 0.55 1.33 2.10
Cymbella gracilis (Ehrenberg) Kützing Yellowknife area, Northwest Territories, Canada (YEL) 0.25 1.33 2.91
Eucocconeis flexella (Kützing) Cleve Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.36 1.33 2.31
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Northern Sweden (SWE) 0.19 1.33 5.16
Fragilaria pinnata sp. [cf. var. acuminata] CDD_FM Mayer 1937 Labrador, Canada (LAB) 0.20 1.33 4.80
Navicula subtilissima Cleve Abisko, Sweden (ABK) 0.22 1.33 6.40
Brachysira brebissonii Ross Northern Quebec (QUE) 0.20 1.32 9.20
Caloneis falcifera Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.32 1.32 1.32
Fallacia subhamulata (Grunow) Mann Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.32 1.32 1.32
Nitzschia palea (Kützing) Smith Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.18 1.32 4.03
Caloneis bacillum (Grunow) Cleve Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.31 5.32
Caloneis bacillum var. lancettula Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 1.31 1.31 1.31
Navicula indifferens Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 1.31 1.31 1.31
Navicula pseudoscutiformis Hustedt Lena River, Russia (LEN) 0.29 1.31 4.62
Navicula schmassmannii Hustedt 1943 Labrador, Canada (LAB) 0.20 1.31 4.40
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