Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Pinnularia subcapitata var. hilseana (Janisch ex Rabenhorst) O. Müller 1898 Northern Sweden (SWE) 0.39 0.51 0.62
Achnanthes fragilarioides Petersen Taimyr Peninsula, Russia (TAI) 0.53 0.57 0.61
Pinnularia grunowii Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 0.37 0.61
Cocconeis neothumensis Krammer Labrador, Canada (LAB) 0.20 0.40 0.60
Eunotia monodon var. bidens (W. Smith) Hustedt 1932 Northern Sweden (SWE) 0.60 0.60 0.60
Navicula cf. capitata DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.60 0.60 0.60
Navicula schadei Krasske Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.40 0.50 0.60
Stephanodiscus alpinus Hustedt Abisko, Sweden (ABK) 0.50 0.55 0.60
Achnanthes kriegeri Krasske 1943 Yellowknife area, Northwest Territories, Canada (YEL) 0.59 0.59 0.59
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
Navicula cf. hilliardii ALERT CDD Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.20 0.39 0.59
Navicula farta Hustedt Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.59 0.59 0.59
Navicula radiosa Kützing Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.39 0.59
Stauroneis barrowiana Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.33 0.59
Caloneis bacillum (Grunow) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.38 0.58
Caloneis undulata (Gregory) Krammer Yellowknife area, Northwest Territories, Canada (YEL) 0.30 0.44 0.58
Cymbella naviculiformis Auerswald ex Héribaud Yellowknife area, Northwest Territories, Canada (YEL) 0.27 0.38 0.58
Diploneis oculata (Brébisson) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.27 0.38 0.58
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Bylot Island, Nunavut, Canada. (BYL) 0.10 0.26 0.58
Eunotia pectinalis (Müller) Rabenhorst Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.39 0.58
Eunotia rhomboidea Hustedt Northern Sweden (SWE) 0.17 0.40 0.58
Navicula levanderii Hustedt in A. Schmidt et al. 1934 Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.39 0.58
Neidium affine (Ehrenberg) Pfitzer Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.36 0.58
Neidium affine var. amphirhynchus (Ehrenberg) Cleve Northern Sweden (SWE) 0.58 0.58 0.58
Neidium septentrionale Cleve-Euler 1939 Yellowknife area, Northwest Territories, Canada (YEL) 0.58 0.58 0.58
Neidium spp. DIAT_UME Northern Sweden (SWE) 0.17 0.29 0.58
Pinnularia sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.30 0.44 0.58
Stenopterobia alpina (Gregory) R. Ross in Hartley 1986 Northern Sweden (SWE) 0.18 0.34 0.58
Stenopterobia delicatissima (Lewis) Brébisson ex Van Heurck 1896 Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.38 0.58
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