Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Achnanthes levanderi Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 3.47 33.60
Cymbella aequalis Smith Northern Sweden (SWE) 0.37 3.45 6.54
Stauroneis jarensis Bylot Island, Nunavut, Canada. (BYL) 0.31 3.45 7.01
Gomphonema distans (Cleve-Euler) Lange-Bertalot et Reichardt Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 3.44 3.44 3.44
Fragilaria brevistriata Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.27 3.42 9.01
Achnanthes curtissima Carter Abisko, Sweden (ABK) 0.22 3.40 17.52
Fragilaria capucina var. capucina Desmazières 1825 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.16 3.39 18.12
Nitzschia alpina Hustedt Bylot Island, Nunavut, Canada. (BYL) 0.32 3.39 9.46
Cyclotella schumannii (Grunow) Håkansson Northern Sweden (SWE) 2.32 3.38 4.44
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Pechora River, Russia (PEC) 0.90 3.38 14.20
Fragilaria virescens var. exigua Grunow Northern Sweden (SWE) 0.18 3.38 16.79
Nitzschia cf. normannii DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 3.38 15.26
Achnanthes minutissima Kützing Taimyr Peninsula, Russia (TAI) 0.30 3.37 13.30
Fragilaria virescens var. exigua Grunow Labrador, Canada (LAB) 0.20 3.36 14.10
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Labrador, Canada (LAB) 0.20 3.35 16.30
Aulacoseira distans (Ehrenberg) Simonsen Labrador, Canada (LAB) 0.20 3.33 19.70
Aulacoseira perglabra var. florinae (Camburn) Haworth 1990 Labrador, Canada (LAB) 0.20 3.32 12.90
Navicula pseudotenelloides Krasske Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.65 3.32 10.56
Fragilaria brevistriata var. papillosa Cleve-Euler Southampton Island, Nunavut, Canada (SI) 0.58 3.31 4.98
Rossithidium petersenii Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.35 3.28 13.98
Navicula seminuloides Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.26 9.30
Neidium cf. affine DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 3.26 3.26 3.26
Aulacoseira subarctica (Müller) Haworth Pechora River, Russia (PEC) 0.30 3.24 6.61
Navicula sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.24 11.97
Neidium holstii Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 3.23 20.00
Achnanthes minutissima Kützing Labrador, Canada (LAB) 0.20 3.22 9.50
Navicula cincta (Ehrenberg) Ralfs Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 3.19 13.64
Achnanthes minutissima Kützing Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 3.18 11.07
Gomphonema cf. productum DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 1.90 3.18 4.46
Nitzschia perminuta (Grunow) Peragallo Bylot Island, Nunavut, Canada. (BYL) 0.10 3.17 8.67
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