Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Gomphonema sp. ABISKO Abisko, Sweden (ABK) 0.23 0.51 1.45
Navicula cf. arvensis YUK-YEL CDD Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.69 1.45
Navicula vitiosa Schimanski Taimyr Peninsula, Russia (TAI) 0.55 0.89 1.45
Neidium ampliatum (Ehrenberg) Krammer Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.54 1.45
Achnanthes lanceolata [spp. frequentissima DIAT_UME] Lange-Bertalot 1991 Northern Sweden (SWE) 0.37 0.90 1.44
Navicula medioconvexa Hustedt Pechora River, Russia (PEC) 1.44 1.44 1.44
Navicula sp. BYLOT Bylot Island, Nunavut, Canada. (BYL) 0.11 0.59 1.44
Achnanthes oestrupii (Cleve-Euler) Hustedt Bylot Island, Nunavut, Canada. (BYL) 0.17 0.54 1.43
Navicula cocconeiformis Gregory ex Greville Abisko, Sweden (ABK) 0.22 0.38 1.43
Hannaea arcus (Ehrenberg) Patrick 1966 Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.62 1.41
Stauroneis smithii var. minima Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.92 1.41
Tabellaria flocculosa strain IV (Roth) Kützing sensu Koppen 1844 Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.71 1.41
Achnanthes chlidanos Hohn et Hellermann Northern Quebec (QUE) 0.20 0.51 1.40
Achnanthes flexella (Kützing) Brun Labrador, Canada (LAB) 0.20 0.38 1.40
Achnanthes kuelbsii Lange-Bertalot Northern Quebec (QUE) 0.20 0.63 1.40
Achnanthes levanderi Hustedt Southampton Island, Nunavut, Canada (SI) 0.19 0.70 1.40
Achnanthes oestrupii (Cleve-Euler) Hustedt Northern Quebec (QUE) 0.20 0.70 1.40
Achnanthes sp. 1 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.46 1.40
Amphora inariensis Krammer Northern Quebec (QUE) 0.20 0.66 1.40
Aulacoseira lirata fo. biseriata Labrador, Canada (LAB) 0.20 0.60 1.40
Aulacoseira sp. 3 QUEBEC CDD_FM Northern Quebec (QUE) 1.40 1.40 1.40
Aulacoseira sp. 5 QUEBEC CDD_FM Northern Quebec (QUE) 0.40 0.80 1.40
Aulacoseira sp. 9 QUEBEC CDD_FM Northern Quebec (QUE) 0.20 0.80 1.40
Aulacoseira subarctica (Müller) Haworth Northern Quebec (QUE) 0.20 0.59 1.40
Cymbella minuta Hilse ex Rabenhorst Labrador, Canada (LAB) 0.20 0.72 1.40
Cymbella silesiaca Bleisch Labrador, Canada (LAB) 0.20 0.66 1.40
Diploneis oculata (Brébisson) Cleve Northern Quebec (QUE) 0.20 0.60 1.40
Eunotia exigua (Brébisson ex Kützing) Rabenhorst Labrador, Canada (LAB) 0.20 0.45 1.40
Eunotia praerupta Ehrenberg Northern Quebec (QUE) 0.20 0.51 1.40
Eunotia subarcuatoides Alles, Nörpel et Lange-Bertalot 1991 Labrador, Canada (LAB) 0.20 0.61 1.40
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