Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Fragilaria lapponica Grunow Labrador, Canada (LAB) 0.20 0.71 1.20
Geissleria cf. acceptata SI-CDD (Hustedt) Lange-Bertalot et Metzeltin 1996 Southampton Island, Nunavut, Canada (SI) 0.17 0.41 1.20
Melosira nygaardii Camburn Labrador, Canada (LAB) 0.20 0.53 1.20
Navicula cf. egregia CDD_FM Hustedt 1942 Northern Quebec (QUE) 0.40 0.67 1.20
Navicula cf. miniscula QUE-TAI-LEN CDD Northern Quebec (QUE) 0.20 0.52 1.20
Navicula circumborealis Lange-Bertalot in Lange-Bertalot et Moser 1994 Labrador, Canada (LAB) 1.20 1.20 1.20
Navicula detenta Hustedt Northern Quebec (QUE) 0.20 0.40 1.20
Navicula disjuncta Hustedt Labrador, Canada (LAB) 0.20 0.38 1.20
Navicula elginensis (Gregory) Ralfs Northern Sweden (SWE) 0.17 0.64 1.20
Navicula gerloffii Schimanski 1978 Northern Quebec (QUE) 0.20 0.47 1.20
Navicula gregaria Donkin Pechora River, Russia (PEC) 1.20 1.20 1.20
Navicula laevissima Kützing Northern Quebec (QUE) 0.20 0.51 1.20
Navicula pseudoscutiformis Hustedt Labrador, Canada (LAB) 0.20 0.42 1.20
Navicula pseudoventralis Hustedt Northern Quebec (QUE) 0.20 0.47 1.20
Navicula soehrensis var. hassiaca (Krasske) Lange-Bertalot Northern Quebec (QUE) 0.20 0.67 1.20
Navicula sp. 28 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.60 1.20
Navicula sp. 4 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.38 1.20
Neidium ampliatum (Ehrenberg) Krammer Northern Quebec (QUE) 0.20 0.53 1.20
Nitzschia amphibia Grunow Labrador, Canada (LAB) 0.20 0.56 1.20
Pinnularia cf. braunii CDD_FM var. amphicephala (Grunow) Cleve 1895 Labrador, Canada (LAB) 0.20 0.43 1.20
Pinnularia gibbiformis Krammer 1992 Northern Quebec (QUE) 0.80 1.00 1.20
Stenopterobia densestriata (Hustedt) Krammer Northern Quebec (QUE) 0.20 0.47 1.20
Stephanodiscus parvus Stoermer et Håkansson Pechora River, Russia (PEC) 1.20 1.20 1.20
Achnanthes kriegeri Krasske 1943 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.60 0.89 1.19
Achnanthes minutissima Kützing Southampton Island, Nunavut, Canada (SI) 0.20 0.68 1.19
Achnanthes saccula Carter Southampton Island, Nunavut, Canada (SI) 0.19 0.47 1.19
Amphora oligotraphenta Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 0.72 1.19
Caloneis cf. bacillum DERMOT Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.38 0.59 1.19
Diploneis elliptica (Kützing) Cleve Abisko, Sweden (ABK) 0.24 0.71 1.19
Fragilaria ulna (Nitzsch) Lange-Bertalot Taimyr Peninsula, Russia (TAI) 0.30 0.74 1.19
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