Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Psammothidium rossii (Hustedt) Bukhtiyarova et Round Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 1.17 2.30
Eunotia arcubus Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 1.50 2.29
Navicula micropunctata Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.78 2.29
Cymbella gaeumannii Meister Northern Sweden (SWE) 0.16 0.92 2.27
Eunotia rhynchocephala Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.75 2.27
Eunotia vanheurckii var. intermedia (Krasske ex Hustedt) Patrick Northern Sweden (SWE) 0.17 1.02 2.27
Navicula kuelbsii Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 1.10 2.27
Cyclotella cf. tripartita LEN CDD Lena River, Russia (LEN) 2.25 2.25 2.25
Cymbopleura lapponica Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 1.19 2.25
Fragilaria parasitica (Smith) Grunow Southampton Island, Nunavut, Canada (SI) 0.19 0.68 2.25
Navicula aboensis (Cleve) Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.87 1.56 2.25
Navicula sp. 4 DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.37 1.01 2.24
Achnanthes suchlandtii Hustedt Lena River, Russia (LEN) 0.27 1.07 2.23
Eunotia sp. ABISKO Abisko, Sweden (ABK) 0.24 0.81 2.23
Fragilaria capucina var. gracilis (Østrup) Hustedt Lena River, Russia (LEN) 0.29 0.96 2.23
Fragilaria cf. oldenburgiana [oldenburgiana PIRLA pl 20, 61-2] DIAT_UME Northern Sweden (SWE) 0.18 0.90 2.23
Amphora ovalis (Kützing) Kützing Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.47 2.22
Eunotia rostellata Hustedt ex Patrick Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.30 1.08 2.22
Fragilaria capucina Desmazières Taimyr Peninsula, Russia (TAI) 0.61 1.21 2.22
Fragilaria delicatissima Taimyr Peninsula, Russia (TAI) 0.31 1.16 2.22
Frustulia rhomboides var. crassinervia (Brébisson ex Smith) Ross Yellowknife area, Northwest Territories, Canada (YEL) 0.27 0.78 2.22
Navicula molestiformis Hustedt Taimyr Peninsula, Russia (TAI) 0.65 1.44 2.22
Cyclotella rossii DIAT_UME morphotype III Håkansson 1990 Abisko, Sweden (ABK) 0.24 0.79 2.21
Navicula begeri Krasske 1932 Abisko, Sweden (ABK) 0.24 0.57 2.21
Navicula capitoradiata Lena River, Russia (LEN) 2.21 2.21 2.21
Navicula sp. ABISKO Abisko, Sweden (ABK) 0.21 0.49 2.21
Sellaphora insolita Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.53 1.37 2.21
Achnanthes peragalli Brun et Héribaud Northern Quebec (QUE) 0.20 1.20 2.20
Achnanthes petersenii Hustedt 1936 Labrador, Canada (LAB) 0.20 0.81 2.20
Achnanthes sp. ABISKO Abisko, Sweden (ABK) 0.22 0.79 2.20
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