Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula pseudoscutiformis Hustedt Lena River, Russia (LEN) 0.29 1.31 4.62
Navicula schmassmannii Hustedt 1943 Pechora River, Russia (PEC) 0.29 1.04 1.66
Navicula seminuloides Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.26 9.30
Navicula seminulum Grunow Lena River, Russia (LEN) 0.29 3.08 20.11
Navicula seminulum Grunow Taimyr Peninsula, Russia (TAI) 0.29 3.52 22.76
Navicula similis Krasske Lena River, Russia (LEN) 0.29 0.93 2.17
Navicula soehrensis Krasske Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Navicula sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.24 11.97
Navicula trivialis Lange-Bertalot Pechora River, Russia (PEC) 0.29 0.79 1.47
Navicula trivialis Lange-Bertalot Taimyr Peninsula, Russia (TAI) 0.29 0.52 1.28
Neidium affine (Ehrenberg) Pfitzer Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.36 0.58
Neidium bisulcatum (Lagerstedt) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.30 0.31
Nitzschia acicularis (Kützing) Smith Pechora River, Russia (PEC) 0.29 1.58 6.40
Nitzschia acicularis (Kützing) Smith Taimyr Peninsula, Russia (TAI) 0.29 1.08 5.83
Nitzschia angustata (Smith) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.30 0.32
Nitzschia gracilis Hantzsch ex Rabenhorst Pechora River, Russia (PEC) 0.29 0.81 3.15
Nitzschia linearis (Agardh ex Smith) Smith Pechora River, Russia (PEC) 0.29 0.71 1.26
Nitzschia paleacea Grunow ex Van Heurck Pechora River, Russia (PEC) 0.29 1.17 3.78
Nitzschia perminuta (Grunow) Peragallo Pechora River, Russia (PEC) 0.29 0.95 2.33
Nitzschia sp. 1 SIBERIA (aff. alpina) CDD_FM Lena River, Russia (LEN) 0.29 1.67 3.68
Pinnularia balfouriana Grunow ex Cleve Lena River, Russia (LEN) 0.29 2.94 7.21
Pinnularia balfouriana Grunow ex Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.68 1.78
Pinnularia viridis (Nitzsch) Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.30 0.32
Stauroneis phoenicenteron (Nitzsch) Ehrenberg Lena River, Russia (LEN) 0.29 0.68 1.27
Stenopterobia curvula (Smith) Krammer Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.30 0.32
Surirella robusta Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Synedra parasitica (Smith) Hustedt Northern Sweden (SWE) 0.29 0.81 1.80
Achnanthes altaica (Poretzky) Cleve-Euler Northern Sweden (SWE) 0.28 1.49 4.13
Achnanthes didyma Hustedt Pechora River, Russia (PEC) 0.28 1.09 2.92
Achnanthes flexella var. alpestris Brun Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.35 0.49
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