Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Fragilaria tenera (Smith) Lange-Bertalot Northern Quebec (QUE) 0.40 1.23 3.60
Fragilaria tenera (Smith) Lange-Bertalot Southampton Island, Nunavut, Canada (SI) 0.19 1.25 2.69
Fragilaria ulna (Nitzsch) Lange-Bertalot Taimyr Peninsula, Russia (TAI) 0.30 0.74 1.19
Fragilaria vaucheriae (Kützing) Petersen Northern Sweden (SWE) 0.17 0.52 2.10
Fragilaria vaucheriae (Kützing) Petersen Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.00 2.04
Fragilaria vaucheriae (Kützing) Petersen Labrador, Canada (LAB) 0.20 0.60 1.00
Fragilaria vaucheriae (Kützing) Petersen Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.28 0.28
Fragilaria virescens Ralfs Abisko, Sweden (ABK) 0.20 7.79 22.93
Fragilaria virescens Ralfs Pechora River, Russia (PEC) 0.29 1.95 6.67
Fragilaria virescens Ralfs Southampton Island, Nunavut, Canada (SI) 2.10 2.10 2.10
Fragilaria virescens var. exigua Grunow Northern Quebec (QUE) 0.40 10.66 45.70
Fragilaria virescens var. exigua Grunow Pechora River, Russia (PEC) 1.08 9.94 40.44
Fragilaria virescens var. exigua Grunow Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 7.83 34.43
Fragilaria virescens var. exigua Grunow Bylot Island, Nunavut, Canada. (BYL) 2.99 18.01 27.27
Fragilaria virescens var. exigua Grunow Abisko, Sweden (ABK) 0.20 4.56 21.33
Fragilaria virescens var. exigua Grunow Northern Sweden (SWE) 0.18 3.38 16.79
Fragilaria virescens var. exigua Grunow Labrador, Canada (LAB) 0.20 3.36 14.10
Fragilaria virescens var. exigua Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.49 4.50 13.49
Fragilaria virescens var. exigua Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 2.00 6.58
Frustulia cf. crassinervia DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 9.29 9.29 9.29
Frustulia cf. magaliesmontana CDD_FM Cholnoky 1957 Labrador, Canada (LAB) 0.20 0.87 1.40
Frustulia cf. magaliesmontana CDD_FM Cholnoky 1957 Northern Quebec (QUE) 1.00 1.00 1.00
Frustulia crassinervia (Brebisson) Lange-Bertalot et Krammer Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 4.83 4.83 4.83
Frustulia crassinervia (Brebisson) Lange-Bertalot et Krammer Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.70 0.70 0.70
Frustulia rhomboides (Ehrenberg) De Toni Northern Quebec (QUE) 0.20 2.25 15.20
Frustulia rhomboides (Ehrenberg) De Toni Labrador, Canada (LAB) 0.20 1.12 9.20
Frustulia rhomboides (Ehrenberg) De Toni Abisko, Sweden (ABK) 0.23 1.01 6.39
Frustulia rhomboides (Ehrenberg) De Toni Yellowknife area, Northwest Territories, Canada (YEL) 0.28 1.11 4.13
Frustulia rhomboides (Ehrenberg) De Toni Pechora River, Russia (PEC) 0.60 1.96 3.83
Frustulia rhomboides (Ehrenberg) De Toni Northern Sweden (SWE) 0.18 0.81 3.46
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