Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cymbopleura amphicephala Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.31 0.75 1.82
Eunotia rhynchocephala Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.75 2.27
Gomphonema gracile Ehrenberg emend Van Heurck Pechora River, Russia (PEC) 0.27 0.75 3.15
Navicula begeri Krasske 1932 Northern Sweden (SWE) 0.19 0.75 2.38
Navicula cocconeiformis Gregory ex Greville Southampton Island, Nunavut, Canada (SI) 0.19 0.75 1.96
Navicula difficillima Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.75 1.63
Navicula ingrata Krasske Bylot Island, Nunavut, Canada. (BYL) 0.31 0.75 1.64
Navicula levanderii Hustedt in A. Schmidt et al. 1934 Abisko, Sweden (ABK) 0.75 0.75 0.75
Navicula pseudoventralis Hustedt Taimyr Peninsula, Russia (TAI) 0.30 0.75 1.34
Navicula sp. 37 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.75 1.80
Nitzschia bacillum Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 0.75 1.96
Nitzschia fonticola Grunow Taimyr Peninsula, Russia (TAI) 0.53 0.75 1.28
Achnanthes dydima Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.74 2.19
Achnanthes minuscula Hustedt Abisko, Sweden (ABK) 0.74 0.74 0.74
Eunotia rhynchocephala Hustedt Labrador, Canada (LAB) 0.20 0.74 2.00
Fragilaria cyclopum (Brutschy) Lange-Bertalot Northern Sweden (SWE) 0.74 0.74 0.74
Fragilaria ulna (Nitzsch) Lange-Bertalot Taimyr Peninsula, Russia (TAI) 0.30 0.74 1.19
Navicula cuspidata (Kützing) Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.50 0.74 0.99
Navicula jaagii Meister Yellowknife area, Northwest Territories, Canada (YEL) 0.74 0.74 0.74
Navicula radiosa Kützing Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.74 13.04
Navicula sp. 37 Québec EMILIE Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.30 0.74 1.32
Nitzschia gracilis Hantzsch ex Rabenhorst Northern Sweden (SWE) 0.17 0.74 3.53
Pinnularia infirma Abisko, Sweden (ABK) 0.74 0.74 0.74
Stephanodiscus alpinus Hustedt Northern Sweden (SWE) 0.20 0.74 1.79
Achnanthes helvetica (Hustedt) Lange-Bertalot Yellowknife area, Northwest Territories, Canada (YEL) 0.31 0.73 1.12
Achnanthes laterostrata Hustedt Northern Sweden (SWE) 0.18 0.73 2.16
Achnanthes ventralis (Krasske) Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.73 3.18
Asterionella formosa Hassal Lena River, Russia (LEN) 0.31 0.73 1.25
Caloneis bacillum (Grunow) Cleve Northern Quebec (QUE) 0.40 0.73 1.60
Cyclotella bodanica var. lemanica (O. Müller ex Schroter) Bachmann 1903 Northern Sweden (SWE) 0.36 0.73 1.11
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