Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Stauroneis smithii var. minima Taimyr Peninsula, Russia (TAI) 0.30 0.91 2.19
Achnanthes carissima Lange-Bertalot Abisko, Sweden (ABK) 0.21 0.90 4.28
Achnanthes conspicua Mayer Pechora River, Russia (PEC) 0.30 0.90 1.20
Achnanthes lanceolata [spp. frequentissima DIAT_UME] Lange-Bertalot 1991 Northern Sweden (SWE) 0.37 0.90 1.44
Achnanthes saccula Carter Northern Sweden (SWE) 0.19 0.90 3.57
Achnanthes sp. 11 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.90 1.60
Cocconeis placentula Ehrenberg Pechora River, Russia (PEC) 0.58 0.90 1.22
Fragilaria capucina sp. [cf. var. austriaca] CDD_FM Northern Quebec (QUE) 0.20 0.90 1.60
Fragilaria cf. oldenburgiana [oldenburgiana PIRLA pl 20, 61-2] DIAT_UME Northern Sweden (SWE) 0.18 0.90 2.23
Fragilaria construens var. binodis (Ehrenberg) Grunow Northern Quebec (QUE) 0.20 0.90 4.00
Navicula cryptocephala Kützing Northern Sweden (SWE) 0.15 0.90 4.86
Stauroneis neohyalina Lange-Bertalot in Lange-Bertalot et Metzeltin 1996 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.90 4.85
Surirella bohemica Maly Northern Quebec (QUE) 0.40 0.90 1.40
Achnanthes kriegeri Krasske 1943 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.60 0.89 1.19
Anomoeoneis vitrea (Grunow) Ross Pechora River, Russia (PEC) 0.30 0.89 2.36
Aulacoseira ambigua (Grunow) Simonsen Northern Sweden (SWE) 0.18 0.89 1.51
Cymbella gaeumannii Meister Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.65 0.89 1.13
Eunotia bilunaris var. mucophila Lange-Bertalot et Nörpel Northern Quebec (QUE) 0.20 0.89 2.40
Eunotia zasumensis Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.64 0.89 1.29
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.89 3.15
Gyrosigma spenceri Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.89 1.98
Navicula menisculus var. upsaliensis (Grunow) Grunow Abisko, Sweden (ABK) 0.21 0.89 2.86
Navicula pseudoscutiformis Hustedt Pechora River, Russia (PEC) 0.28 0.89 2.30
Navicula vitiosa Schimanski Taimyr Peninsula, Russia (TAI) 0.55 0.89 1.45
Pinnularia microstauron (Ehrenberg) Cleve Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.89 2.00
Semiorbis hemicyclus (Ehrenberg) Patrick in Patrick et Reimer 1966 Abisko, Sweden (ABK) 0.24 0.89 3.69
Aulacoseira alpigena (Grunow) Krammer Southampton Island, Nunavut, Canada (SI) 0.27 0.88 1.97
Aulacoseira subarctica (Müller) Haworth Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.88 1.38
Brachysira neoexilis CDD_FM morphotype I Lange-Bertalot in Lange-Bertalot et Moser 1994 Northern Quebec (QUE) 0.20 0.88 3.00
Cocconeis cf. diminuta YUK CDD Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.88 1.99
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