Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula festiva Krasske Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 1.73 3.07
Fragilaria construens var. binodis (Ehrenberg) Grunow Abisko, Sweden (ABK) 0.25 1.17 3.01
Navicula capitata var. lueneburgensis (Grunow) Patrick Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.66 3.01
Nitzschia cf. commutata DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.32 1.21 3.01
Brachysira neoexilis CDD_FM morphotype I Lange-Bertalot in Lange-Bertalot et Moser 1994 Northern Quebec (QUE) 0.20 0.88 3.00
Cymbella cuspidata Kützing Bylot Island, Nunavut, Canada. (BYL) 0.10 1.64 3.00
Encyonopsis cesatii (Rabhenhorst) Krammer Bylot Island, Nunavut, Canada. (BYL) 0.10 1.85 3.00
Eunotia bilunaris (Ehrenberg) Mills Labrador, Canada (LAB) 0.20 0.58 3.00
Eunotia seminulum Nörpel-Schempp et Lange-Bertalot 1996 Northern Quebec (QUE) 0.20 0.88 3.00
Gomphonema parvulum (Kützing) Kützing Bylot Island, Nunavut, Canada. (BYL) 0.39 1.69 3.00
Navicula schmassmannii Hustedt 1943 Northern Quebec (QUE) 0.20 0.71 3.00
Navicula soehrensis var. hassiaca (Krasske) Lange-Bertalot Labrador, Canada (LAB) 0.20 0.73 3.00
Nitzschia sinuata (Thwaites) Grunow Bylot Island, Nunavut, Canada. (BYL) 1.00 1.83 3.00
Pinnularia birnirkiana Bylot Island, Nunavut, Canada. (BYL) 0.10 1.39 3.00
Achnanthes minutissima var. minutissima Southampton Island, Nunavut, Canada (SI) 0.19 1.62 2.99
Diploneis oculata (Brébisson) Cleve Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.65 2.99
Cocconeis neothumensis Krammer Southampton Island, Nunavut, Canada (SI) 0.20 1.79 2.98
Fragilaria exigua Grunow Southampton Island, Nunavut, Canada (SI) 0.19 0.79 2.98
Fragilaria lapponica Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.28 2.98
Gomphonema clavatulum Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.30 0.96 2.98
Navicula cryptocephala Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.04 2.98
Navicula vitabunda Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.80 2.98
Cymbella naviculiformis Auerswald ex Héribaud Abisko, Sweden (ABK) 0.23 0.77 2.97
Gomphonema gracile Ehrenberg emend Van Heurck Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.21 2.97
Navicula capitata var. hungarica (Grunow) Ross Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.10 2.97
Nitzschia sp. ABISKO Abisko, Sweden (ABK) 0.20 0.71 2.97
Achnanthes gracillima Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.69 2.96
Eunotia vanheurckii Patrick Northern Sweden (SWE) 0.17 1.06 2.96
Fragilaria pinnata var. lancetulata Bylot Island, Nunavut, Canada. (BYL) 0.32 1.11 2.96
Tetracyclus lacustris Ralfs Abisko, Sweden (ABK) 0.24 0.52 2.96
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