Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Pinnularia interrupta Smith Lena River, Russia (LEN) 0.60 1.58 3.37
Achnanthes rossii Hustedt 1954 Pechora River, Russia (PEC) 0.26 1.57 3.74
Eunotia arcus Ehrenberg Pechora River, Russia (PEC) 0.79 1.57 2.36
Eunotia bilunaris var. mucophila Lange-Bertalot et Nörpel Pechora River, Russia (PEC) 0.95 1.57 2.59
Navicula schmassmannii Hustedt 1943 Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.57 8.22
Tryblionella debilis Arnott Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.38 1.57 3.65
Aulacoseira lirata (Ehrenberg) Ross Northern Quebec (QUE) 0.20 1.56 4.00
Cymbella descripta (Hustedt) Krammer et Lange-Bertalot Northern Sweden (SWE) 0.19 1.56 11.36
Cymbella lunata Smith Abisko, Sweden (ABK) 0.21 1.56 7.20
Diatoma tenuis Agardh Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 1.56 3.50
Eunotia incisa Smith ex Gregory Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 1.56 11.11
Navicula aboensis (Cleve) Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.87 1.56 2.25
Navicula mutica Kützing Lena River, Russia (LEN) 1.56 1.56 1.56
Navicula sp. [cf. Microcostatus egregius] DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.56 5.13
Neidium bergii Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.56 6.65
Pinnularia obscura Krasske Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.31 1.56 9.39
Fragilaria oldenburgiana Hustedt Labrador, Canada (LAB) 0.20 1.55 3.60
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Yellowknife area, Northwest Territories, Canada (YEL) 0.27 1.55 5.92
Melosira arentii (Kolbe) Nagumo et Kobayasi 1977 Northern Quebec (QUE) 0.20 1.55 6.60
Navicula gerloffii Schimanski 1978 Lena River, Russia (LEN) 1.55 1.55 1.55
Psammothidium helveticum (Hustedt) Bukhtiyarova et Round Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.19 1.55 8.84
Cyclotella michiganiana Skvortzow Northern Quebec (QUE) 0.60 1.53 2.40
Eunotia bilunaris var. bilunaris (Ehrenberg) Mills 1934 Southampton Island, Nunavut, Canada (SI) 0.19 1.53 3.17
Navicula cryptocephala Kützing Abisko, Sweden (ABK) 0.23 1.53 14.36
Navicula indifferens Hustedt Abisko, Sweden (ABK) 0.24 1.53 6.32
Navicula minuscula var. muralis (Grunow) Lange-Bertalot Abisko, Sweden (ABK) 0.23 1.53 13.30
Nitzschia sp. 1 [perminuta] DIAT_UME (Grunow in Van Heurck) Peragallo 1903 Northern Sweden (SWE) 0.17 1.53 10.61
Pinnularia viridis (Nitzsch) Ehrenberg Abisko, Sweden (ABK) 0.24 1.53 5.67
Navicula cf. cryptotenella YUK-YEL-TAI CDD Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.52 7.00
Amphora fogediana Krammer Abisko, Sweden (ABK) 0.24 1.51 4.28
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