Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula viridula var. viridula (Kützing) Ehrenberg 1838 Abisko, Sweden (ABK) 0.23 0.59 0.95
Nitzschia sp. 1 DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 0.57 0.95
Psammothidium delicatulum Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.95 0.95 0.95
Stauroneis sp. gracilis/heinii DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.57 0.76 0.95
Achnanthes lemmermannii Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.66 0.80 0.94
Campylodiscus hibernicus Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.35 0.65 0.94
Cymbella turgidula Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.64 0.94
Cymbopleura tynnii Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.33 0.63 0.94
Epithemia turgida var. granulata (Ehrenberg) Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.63 0.94
Eunotia diadema Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.35 0.94
Eunotia paludosa Grunow Abisko, Sweden (ABK) 0.23 0.41 0.94
Navicula expecta Van Landingham Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.40 0.94
Navicula minuscula Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.54 0.94
Navicula ordinaria Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.64 0.94
Navicula pseudanglica var. signata Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.64 0.94
Achnanthes lanceolata (Brébisson ex Kützing) Grunow Abisko, Sweden (ABK) 0.93 0.93 0.93
Eunotia curvata (Kützing) Lagerstedt Northern Sweden (SWE) 0.17 0.43 0.93
Eunotia sp. 3 DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.93 0.93 0.93
Hannaea arcus (Ehrenberg) Patrick 1966 Abisko, Sweden (ABK) 0.25 0.60 0.93
Navicula difficillimoides Hustedt Northern Sweden (SWE) 0.93 0.93 0.93
Navicula jaernefeltii Hustedt 1942 Northern Sweden (SWE) 0.18 0.53 0.93
Nitzschia cf. suchlandtii DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.36 0.58 0.93
Sellaphora pseudonana Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.93 0.93 0.93
Caloneis undulata (Gregory) Krammer Northern Sweden (SWE) 0.26 0.46 0.92
Neidium ampliatum (Ehrenberg) Krammer Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 0.61 0.90
Caloneis ventricosa (Ehrenberg) Meister Northern Sweden (SWE) 0.18 0.51 0.89
Cymbella sp. (girdle view) YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.32 0.61 0.89
Eunotia circumborealis Lange-Bertalot et Nörpel Yellowknife area, Northwest Territories, Canada (YEL) 0.31 0.59 0.89
Neidium sp. ABISKO Abisko, Sweden (ABK) 0.21 0.39 0.89
Nitzschia recta Hantzsch ex Rabenhorst Northern Sweden (SWE) 0.18 0.37 0.89
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