Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Eunotia sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.55 1.16
Gomphonema angustatum (Kützing) Rabenhorst 1864 Pechora River, Russia (PEC) 0.29 0.68 1.16
Gomphonema parvulum (Kützing) Kützing Northern Sweden (SWE) 0.15 0.62 1.16
Navicula jaernefeltii Hustedt 1942 Yellowknife area, Northwest Territories, Canada (YEL) 0.27 0.66 1.16
Navicula pupula var. mutata (Krasske) Hustedt Pechora River, Russia (PEC) 0.30 0.59 1.16
Stauroneis phoenicenteron (Nitzsch) Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.45 1.16
Stephanodiscus hantzschii Grunow Pechora River, Russia (PEC) 0.30 0.73 1.16
Achnanthes impexiformis Lange-Bertalot Northern Sweden (SWE) 0.18 0.50 1.15
Aulacoseira perglabra var. florinae (Camburn) Haworth 1990 Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.72 1.15
Caloneis falcifera Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 0.58 1.15
Cymbella cleve-eulerae Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 0.64 1.15
Eunotia curvata var. subarcuata (Nägeli) Woodhead et Tweed Northern Sweden (SWE) 0.19 0.53 1.15
Gyrosigma obtusatum (Sullivant et Wormley) Boyer Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 0.51 1.15
Microcostatus krasskei (Hustedt) Johansen et Sray Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.17 0.51 1.15
Navicula cocconeiformis Gregory ex Greville Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.62 1.15
Navicula cryptocephala Kützing Southampton Island, Nunavut, Canada (SI) 0.20 0.46 1.15
Navicula madumensis Jorgensen 1948 Northern Sweden (SWE) 0.18 0.50 1.15
Navicula schoenfeldii Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.31 0.73 1.15
Nitzschia homburgiensis Lange-Bertalot 1978 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 1.09 1.12 1.15
Nitzschia sinuata (Thwaites) Grunow Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 1.15 1.15 1.15
Peronia fibula (Brébisson ex Kützing) Ross Abisko, Sweden (ABK) 0.24 0.77 1.15
Pinnularia balfouriana Grunow ex Cleve Northern Sweden (SWE) 0.18 0.38 1.15
Pinnularia divergentissima (Grunow) Cleve Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.36 0.69 1.15
Pinnularia gibba Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.51 1.15
Achnanthes kriegeri Krasske 1943 Northern Sweden (SWE) 0.16 0.55 1.14
Diatomella balfouriana (Smith) Greville Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.25 0.69 1.14
Luticola nivalis (Ehrenberg) Mann Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 1.14 1.14 1.14
Navicula angusta Grunow Abisko, Sweden (ABK) 0.24 0.69 1.14
Stauroneis cf. prominula DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 0.56 1.14
Achnanthes conspicua Mayer Yellowknife area, Northwest Territories, Canada (YEL) 0.32 0.72 1.13
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