Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cyclotella delicatissima Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Cyclotella rossii Håkansson 1990 Yellowknife area, Northwest Territories, Canada (YEL) 0.56 4.68 24.84
Eunotia monodon Ehrenberg Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.56 0.56 0.56
Fragilaria pinnata var. lancettula (Schumann) Hustedt Pechora River, Russia (PEC) 0.56 1.50 4.12
Melosira arentii (Kolbe) Nagumo et Kobayasi 1977 Northern Sweden (SWE) 0.56 0.56 0.56
Navicula absoluta Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Navicula elginensis (Gregory) Ralfs Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Navicula menisculus var. upsaliensis (Grunow) Grunow Northern Sweden (SWE) 0.56 1.06 1.56
Aulacoseira perglabra (Østrup) Haworth Pechora River, Russia (PEC) 0.55 1.33 2.10
Navicula vitiosa Schimanski Taimyr Peninsula, Russia (TAI) 0.55 0.89 1.45
Nitzschia gracilis Hantzsch ex Rabenhorst Taimyr Peninsula, Russia (TAI) 0.55 1.03 2.56
Nitzschia pura Hustedt Pechora River, Russia (PEC) 0.55 1.35 4.65
Cymbopleura anglica Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.54 0.54 0.54
Diatoma moniliformis Kützing Pechora River, Russia (PEC) 0.54 0.76 1.16
Diatoma tenuis Agardh Northern Sweden (SWE) 0.54 0.54 0.54
Fragilaria tenera (Smith) Lange-Bertalot Pechora River, Russia (PEC) 0.54 2.47 4.76
Navicula absoluta Hustedt Lena River, Russia (LEN) 0.54 1.34 2.48
Navicula pupula var. mutata (Krasske) Hustedt Lena River, Russia (LEN) 0.54 0.72 1.26
Navicula subminuscula Manguin Northern Sweden (SWE) 0.54 0.97 2.36
Achnanthes fragilarioides Petersen Taimyr Peninsula, Russia (TAI) 0.53 0.57 0.61
Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot Taimyr Peninsula, Russia (TAI) 0.53 1.21 3.33
Navicula cryptocephala Kützing Taimyr Peninsula, Russia (TAI) 0.53 1.16 3.32
Nitzschia fonticola Grunow Taimyr Peninsula, Russia (TAI) 0.53 0.75 1.28
Nitzschia linearis (Agardh ex Smith) Smith Taimyr Peninsula, Russia (TAI) 0.53 0.86 1.11
Psammothidium broenlundense Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.53 0.53 0.53
Psammothidium subatomoides (Hustedt) Bukhtiyarova et Round Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.53 0.53 0.53
Sellaphora insolita Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.53 1.37 2.21
Fragilaria cf. pinnata (coarse) YUK YEL TAI PEC Yellowknife area, Northwest Territories, Canada (YEL) 0.52 0.64 0.88
Navicula schmassmannii Hustedt 1943 Yellowknife area, Northwest Territories, Canada (YEL) 0.52 2.15 4.66
Navicula subrotundata Hustedt Pechora River, Russia (PEC) 0.51 1.02 1.79
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