Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cymbella cesatii (Rabhenhorst) Grunow ex Schmidt Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.71 2.02
Diploneis elliptica (Kützing) Cleve Abisko, Sweden (ABK) 0.24 0.71 1.19
Fragilaria capucina var. perminuta (Grunow) Lange-Bertalot Northern Quebec (QUE) 0.20 0.71 2.60
Fragilaria lapponica Grunow Labrador, Canada (LAB) 0.20 0.71 1.20
Fragilaria neoproducta Lange-Bertalot Northern Quebec (QUE) 0.20 0.71 1.60
Frustulia rhomboides (Ehrenberg) De Toni Southampton Island, Nunavut, Canada (SI) 0.19 0.71 1.74
Gomphonema parvulum (Kützing) Kützing Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.20 0.71 4.25
Navicula aff. elginensis DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.38 0.71 1.09
Navicula pseudolanceolata var. denselineolata Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.35 0.71 1.06
Navicula pseudoventralis Hustedt Lena River, Russia (LEN) 0.32 0.71 1.07
Navicula schmassmannii Hustedt 1943 Northern Quebec (QUE) 0.20 0.71 3.00
Navicula stephanssoni Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.71 0.71 0.71
Navicula tenelloides Hustedt Abisko, Sweden (ABK) 0.71 0.71 0.71
Navicula tenera Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.71 0.71 0.71
Neidium bergii Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.32 0.71 1.88
Neidium bisulcatum var. subampliatum Krammer ex Krammer et Lange-Bertalot Northern Sweden (SWE) 0.58 0.71 0.85
Nitzschia linearis (Agardh ex Smith) Smith Pechora River, Russia (PEC) 0.29 0.71 1.26
Nitzschia sp. ABISKO Abisko, Sweden (ABK) 0.20 0.71 2.97
Orthoseira roeseana (Rabhenhorst) O'Meara Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.19 0.71 1.34
Pinnularia gibba var. linearis Hustedt Taimyr Peninsula, Russia (TAI) 0.30 0.71 1.11
Planothidium peragalloi Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.71 0.71 0.71
Stauroneis phoenicenteron (Nitzsch) Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.71 1.32
Tabellaria flocculosa (Roth) Kützing Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.71 2.31
Tabellaria flocculosa strain IV (Roth) Kützing sensu Koppen 1844 Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.71 1.41
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
Actinella punctata Lewis Northern Quebec (QUE) 0.20 0.70 1.20
Encyonopsis descripta (Hustedt) Krammer Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.20 0.70 1.89
Fragilaria delicatissima Pechora River, Russia (PEC) 0.33 0.70 1.18
Frustulia crassinervia (Brebisson) Lange-Bertalot et Krammer Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.70 0.70 0.70
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