Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Achnanthes gracillima Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.28 3.30
Eunotia bilunaris (Ehrenberg) Mills Lena River, Russia (LEN) 0.31 1.21 3.30
Pinnularia balfouriana Grunow ex Cleve Taimyr Peninsula, Russia (TAI) 0.30 1.41 3.30
Achnanthes laterostrata Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.76 3.29
Aulacoseira distans var. humilis (A. Cleve-Euler) R. Ross in Hartley 1986 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.65 1.91 3.29
Cymbella delicatula Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.80 3.29
Navicula pseudoventralis Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 1.42 3.28
Eunotia subarcuatoides Alles, Nörpel et Lange-Bertalot 1991 Pechora River, Russia (PEC) 0.30 1.69 3.27
Navicula cocconeiformis Gregory ex Greville Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.58 3.27
Cyclotella bodanica var. lemanica (O. Müller ex Schroter) Bachmann 1903 Southampton Island, Nunavut, Canada (SI) 0.34 1.19 3.26
Cymbella descripta (Hustedt) Krammer et Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.86 3.26
Neidium cf. affine DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 3.26 3.26 3.26
Nitzschia denticula Grunow Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.36 1.47 3.26
Achnanthes kuelbsii Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.02 3.25
Achnanthes minutissima var. macrocephala Hustedt Abisko, Sweden (ABK) 0.23 1.16 3.24
Amphora ovalis (Kützing) Kützing Abisko, Sweden (ABK) 0.24 1.74 3.24
Brachysira styriaca (Grunow in Van Heurck) R. Ross in Hartley 1986 Abisko, Sweden (ABK) 0.22 0.65 3.24
Cyclotella comensis Grunow et Van Heurck 1882 Taimyr Peninsula, Russia (TAI) 0.63 1.94 3.24
Achnanthes altaica (Poretzky) Cleve-Euler Lena River, Russia (LEN) 0.31 1.58 3.22
Achnanthes kuelbsii Lange-Bertalot Abisko, Sweden (ABK) 0.23 0.80 3.22
Eunotia naegelii Migula Abisko, Sweden (ABK) 0.22 0.66 3.22
Aulacoseira sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 1.30 3.20
Eunotia intermedia (Krasske ex Hustedt) Nörpel et Lange-Bertalot Labrador, Canada (LAB) 0.20 0.76 3.20
Fragilaria constricta Ehrenberg Labrador, Canada (LAB) 0.20 0.83 3.20
Fragilaria lata (Cleve-Euler) Renberg Labrador, Canada (LAB) 0.20 1.15 3.20
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Northern Quebec (QUE) 0.20 0.98 3.20
Navicula krasskei Hustedt Northern Quebec (QUE) 0.40 1.40 3.20
Navicula mediocris Krasske Northern Quebec (QUE) 0.20 1.10 3.20
Nitzschia perminuta QUEBEC fo. 2 (Grunow) Peragallo 1903 Northern Quebec (QUE) 0.20 0.64 3.20
Achnanthes ventralis (Krasske) Lange-Bertalot Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.73 3.18
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