Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Eunotia meisteri Hustedt Northern Quebec (QUE) 0.20 1.12 5.20
Fragilaria construens (Ehrenberg) Grunow 1862 Lena River, Russia (LEN) 0.31 1.12 1.93
Frustulia rhomboides (Ehrenberg) De Toni Labrador, Canada (LAB) 0.20 1.12 9.20
Nitzschia capitellata Hustedt Lena River, Russia (LEN) 0.63 1.12 1.61
Nitzschia dissipata var. media (Hantzsch) Grunow Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.12 3.93
Nitzschia homburgiensis Lange-Bertalot 1978 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.09 1.12 1.15
Pinnularia decrescens var. ignorata Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.12 1.12 1.12
Achnanthes conspicua Mayer Northern Sweden (SWE) 0.36 1.11 1.87
Achnanthes curtissima Carter Northern Quebec (QUE) 0.20 1.11 4.20
Amphora fogediana Krammer Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.11 3.89
Asterionella ralfsii var. americana Körner Labrador, Canada (LAB) 0.20 1.11 3.80
Cocconeis placentula Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.11 1.62
Cymbopleura affinis Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.11 2.68
Fragilaria pinnata var. lancetulata Bylot Island, Nunavut, Canada. (BYL) 0.32 1.11 2.96
Fragilaria tenera (Smith) Lange-Bertalot Lena River, Russia (LEN) 0.31 1.11 4.39
Frustulia rhomboides (Ehrenberg) De Toni Yellowknife area, Northwest Territories, Canada (YEL) 0.28 1.11 4.13
Navicula digitulus Hustedt Pechora River, Russia (PEC) 0.27 1.11 3.60
Navicula seminuloides Hustedt Labrador, Canada (LAB) 0.20 1.11 2.60
Neidium affine var. longiceps (Gregory) Cleve Abisko, Sweden (ABK) 0.22 1.11 5.34
Nitzschia palea (Kützing) Smith Northern Quebec (QUE) 0.20 1.11 4.00
Pinnularia microstauron var. microstauron (Ehrenberg) Cleve 1891 Abisko, Sweden (ABK) 0.23 1.11 4.38
Achnanthes lanceolata (Brébisson ex Kützing) Grunow Lena River, Russia (LEN) 0.31 1.10 1.89
Aulacoseira lirata (Ehrenberg) Ross Pechora River, Russia (PEC) 1.10 1.10 1.10
Encyonema fogedii Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.10 5.33
Eunotia incisa Smith ex Gregory Labrador, Canada (LAB) 0.20 1.10 6.90
Fragilaria brevistriata var. inflata (Pantocsek) Hustedt Pechora River, Russia (PEC) 0.29 1.10 3.08
Fragilaria cf. pinnata CDD_FM Ehrenberg 1843 Northern Quebec (QUE) 0.20 1.10 2.00
Fragilaria sp. 11 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 1.10 1.80
Navicula capitata var. hungarica (Grunow) Ross Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.10 2.97
Navicula kuelbsii Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 1.10 2.27
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