Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Diploneis oculata (Brébisson) Cleve Northern Quebec (QUE) 0.20 0.60 1.40
Eunotia monodon var. bidens (W. Smith) Hustedt 1932 Northern Sweden (SWE) 0.60 0.60 0.60
Eunotia muscicola var. tridentula Nörpel et Lange-Bertalot Southampton Island, Nunavut, Canada (SI) 0.19 0.60 1.77
Fragilaria robusta (Fusey) Manguin Abisko, Sweden (ABK) 0.24 0.60 1.59
Fragilaria sp. 12 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.60 1.40
Fragilaria vaucheriae (Kützing) Petersen Labrador, Canada (LAB) 0.20 0.60 1.00
Geissleria boreosiberica Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.44 0.60 0.76
Gomphonema acuminatum var. coronatum (Ehrenberg) Rabenhorst Abisko, Sweden (ABK) 0.21 0.60 4.09
Gomphonema gracile Ehrenberg emend Van Heurck Northern Sweden (SWE) 0.17 0.60 1.38
Gomphonema parvulum (Kützing) Kützing Labrador, Canada (LAB) 0.20 0.60 1.40
Hannaea arcus (Ehrenberg) Patrick 1966 Abisko, Sweden (ABK) 0.25 0.60 0.93
Navicula bryophila Petersen Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 0.60 1.32
Navicula cf. capitata DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.60 0.60 0.60
Navicula cf. cocconeiformis CDD Taimyr Peninsula, Russia (TAI) 0.28 0.60 1.52
Navicula cocconeiformis Gregory ex Greville Northern Quebec (QUE) 0.20 0.60 1.40
Navicula explanata Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.60 1.62
Navicula jaagii Meister Abisko, Sweden (ABK) 0.23 0.60 1.93
Navicula kuelbsii Lange-Bertalot Labrador, Canada (LAB) 0.20 0.60 1.00
Navicula soehrensis var. soehrensis Krasske 1923 Abisko, Sweden (ABK) 0.24 0.60 0.95
Navicula sp. 28 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.60 1.20
Navicula submolesta Hustedt Labrador, Canada (LAB) 0.20 0.60 1.40
Navicula vulpina Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.49 0.60 0.66
Nitzschia bryophila (Hustedt) Hustedt Northern Quebec (QUE) 0.20 0.60 1.60
Nitzschia inconspicua Grunow Northern Quebec (QUE) 0.20 0.60 2.60
Pinnularia nodosa (Ehrenberg) Smith Bylot Island, Nunavut, Canada. (BYL) 0.10 0.60 1.74
Stauroneis anceps Ehrenberg Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.60 2.60
Achnanthes chlidanos Hohn et Hellermann Labrador, Canada (LAB) 0.20 0.59 1.60
Achnanthes kriegeri Krasske 1943 Yellowknife area, Northwest Territories, Canada (YEL) 0.59 0.59 0.59
Achnanthes marginulata Grunow Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.59 0.99
Amphora libyca Ehrenberg 1840 Lena River, Russia (LEN) 0.30 0.59 1.52
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