Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula bremensis Hustedt Abisko, Sweden (ABK) 0.23 1.17 5.42
Navicula cryptocephala Kützing Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.33 1.70 5.42
Surirella minuta Brébisson Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 2.19 5.42
Achnanthes suchlandtii Hustedt Labrador, Canada (LAB) 0.20 1.48 5.40
Fragilaria cf. fasciculata QUE-TAI CDD Taimyr Peninsula, Russia (TAI) 0.61 2.95 5.40
Achnanthes curtissima Carter Pechora River, Russia (PEC) 0.26 1.01 5.36
Achnanthes pusilla (Grunow) DeToni Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.37 5.35
Navicula hassiaca Krasske Abisko, Sweden (ABK) 0.21 0.84 5.35
Neidium affine var. longiceps (Gregory) Cleve Abisko, Sweden (ABK) 0.22 1.11 5.34
Aulacoseira distans var. nivalis (Smith) Haworth Northern Sweden (SWE) 0.17 2.05 5.33
Encyonema fogedii Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.10 5.33
Stauroneis phenicentron Bylot Island, Nunavut, Canada. (BYL) 0.50 2.74 5.33
Caloneis bacillum (Grunow) Cleve Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.31 5.32
Gomphonema parvulum (Kützing) Kützing Abisko, Sweden (ABK) 0.23 0.84 5.32
Planothidium peragalloi Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 5.32 5.32 5.32
Cyclotella tripartita Håkansson Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.19 1.60 5.30
Navicula cf. cryptocephala DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.87 5.29
Cymbella microcephala Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.16 5.28
Cyclotella ocellata Pantocsek Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.35 1.82 5.26
Eucocconeis flexella (Kützing) Cleve Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 2.18 5.26
Amphipleura pellicula Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 1.71 5.25
Chamaepinnularia gandrupii (Petersen) Lange-Bertalot et Krammer Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.86 5.24
Nitzschia commutata DERMOT fo. 2 Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 2.07 5.22
Achnanthes altaica (Poretzky) Cleve-Euler Abisko, Sweden (ABK) 0.23 0.86 5.21
Cyclotella michiganiana Skvortzow Labrador, Canada (LAB) 0.20 2.32 5.20
Cyclotella tripartita Håkansson Labrador, Canada (LAB) 0.20 1.84 5.20
Eunotia meisteri Hustedt Northern Quebec (QUE) 0.20 1.12 5.20
Pinnularia mesolepta CDD_FM morphotype III (Ehrenberg) W. Smith 1853 sensu Krammer 1992 Labrador, Canada (LAB) 0.20 1.25 5.20
Eunotia spp. DIAT_UME Northern Sweden (SWE) 0.17 0.80 5.19
Fragilaria pinnata var. intercedens (Grunow) Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.99 5.19
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