Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cyclotella rossii DIAT_UME morphotype III Håkansson 1990 Northern Sweden (SWE) 3.15 3.15 3.15
Fragilaria construens var. venter (Ehrenberg) Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 3.14 12.62
Navicula rynchocephala Bylot Island, Nunavut, Canada. (BYL) 0.11 3.14 6.82
Fragilaria pseudoconstruens Marciniak Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.13 17.97
Cyclotella comta (Ehrenberg) Kützing Northern Sweden (SWE) 0.38 3.12 5.78
Tabellaria ventricosa Kützing Taimyr Peninsula, Russia (TAI) 2.37 3.12 3.87
Aulacoseira distans var. nivalis (Smith) Haworth Labrador, Canada (LAB) 0.20 3.11 17.30
Achnanthes lanceolata (Brébisson ex Kützing) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.28 3.10 5.92
Navicula seminulum Grunow Lena River, Russia (LEN) 0.29 3.08 20.11
Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot Southampton Island, Nunavut, Canada (SI) 1.51 3.05 6.19
Fragilaria cf. pinnata (coarse) YUK YEL TAI PEC Pechora River, Russia (PEC) 1.14 3.05 7.42
Nitzschia pusilla Grunow Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.18 3.05 13.71
Achnanthes curtissima Carter Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 3.03 13.27
Fragilaria neoproducta Lange-Bertalot Southampton Island, Nunavut, Canada (SI) 0.60 3.03 6.76
Fragilaria construens SWEDEN var. venter fo. long Northern Sweden (SWE) 0.28 3.02 5.03
Achnanthes minutissima Kützing Northern Quebec (QUE) 0.20 3.01 8.00
Navicula seminulum Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.26 3.01 6.40
Navicula cincta (Ehrenberg) Ralfs Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.32 2.99 9.51
Cyclotella rossii DIAT_UME morphotype I Håkansson 1990 Abisko, Sweden (ABK) 0.25 2.98 14.00
Achnanthes nodosa Cleve Lena River, Russia (LEN) 0.63 2.97 7.12
Fragilaria pseudoconstruens Marciniak Northern Sweden (SWE) 0.19 2.97 9.21
Fragilaria brevistriata var. papillosa Cleve-Euler Lena River, Russia (LEN) 0.32 2.96 11.64
Nitzschia fonticola Grunow Yellowknife area, Northwest Territories, Canada (YEL) 1.13 2.96 7.85
Stauroneis jarensis Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 2.96 17.90
Achnanthes marginulata Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.95 2.95 8.41
Fragilaria cf. fasciculata QUE-TAI CDD Taimyr Peninsula, Russia (TAI) 0.61 2.95 5.40
Tabularia fasciculata (Agardh) Williams et Round Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 2.95 2.95 2.95
Achnanthes levanderi Hustedt Abisko, Sweden (ABK) 0.24 2.94 22.72
Amphora spitzbergensis Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 2.94 6.74
Fragilaria pseudoconstruens Marciniak Lena River, Russia (LEN) 0.93 2.94 5.67
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