Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Eunotia serra var. diadema (Ehrenberg) Patrick Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Eunotia sp. vanheurckii/faba YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.39 0.59
Fallacia lenzii (Hustedt) Lange-Bertalot Bylot Island, Nunavut, Canada. (BYL) 0.29 0.39 0.59
Fragilaria brevistriata var. inflata (Pantocsek) Hustedt Pechora River, Russia (PEC) 0.29 1.10 3.08
Fragilaria brevistriata var. papillosa Cleve-Euler Yellowknife area, Northwest Territories, Canada (YEL) 0.29 1.82 3.94
Fragilaria capucina var. gracilis (Østrup) Hustedt Lena River, Russia (LEN) 0.29 0.96 2.23
Fragilaria construens var. venter (Ehrenberg) Grunow Taimyr Peninsula, Russia (TAI) 0.29 13.55 48.52
Fragilaria famelica (Kützing) Lange-Bertalot Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Fragilaria pinnata Ehrenberg Pechora River, Russia (PEC) 0.29 14.39 73.01
Fragilaria pinnata Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.29 5.02 29.17
Fragilaria pinnata var. acuminata Mayer Pechora River, Russia (PEC) 0.29 0.97 1.65
Fragilaria pseudoconstruens Marciniak Yellowknife area, Northwest Territories, Canada (YEL) 0.29 3.13 17.97
Fragilaria virescens Ralfs Pechora River, Russia (PEC) 0.29 1.95 6.67
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Pechora River, Russia (PEC) 0.29 0.70 1.19
Gomphonema acuminatum Ehrenberg Pechora River, Russia (PEC) 0.29 0.87 1.45
Gomphonema angustatum (Kützing) Rabenhorst 1864 Pechora River, Russia (PEC) 0.29 0.68 1.16
Gomphonema parvulum (Kützing) Kützing Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.68 1.27
Hantzschia amphyoxis Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Navicula cf. arvensis YUK-YEL CDD Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.69 1.45
Navicula cf. cocconeiformis CDD Pechora River, Russia (PEC) 0.29 0.70 1.13
Navicula cf. seminulum LEN-PEC-TAI CDD Taimyr Peninsula, Russia (TAI) 0.29 1.03 2.40
Navicula cryptocephala Kützing Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Navicula cryptocephala Kützing Pechora River, Russia (PEC) 0.29 0.81 1.74
Navicula cumbriensis Haworth 1987 Northern Sweden (SWE) 0.29 1.00 2.87
Navicula detenta Hustedt Taimyr Peninsula, Russia (TAI) 0.29 1.04 2.05
Navicula detenta Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Navicula disjuncta Hustedt Northern Sweden (SWE) 0.29 0.84 2.49
Navicula mediocris Krasske Yellowknife area, Northwest Territories, Canada (YEL) 0.29 1.44 3.52
Navicula minuscula var. muralis (Grunow) Lange-Bertalot Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.92 2.03
Navicula nivalis Ehrenberg Northern Sweden (SWE) 0.29 0.29 0.29
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