Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Stenopterobia sigmatella Northern Sweden (SWE) 0.18 0.36 0.58
Achnanthes exigua Grunow Northern Sweden (SWE) 0.57 0.57 0.57
Cymbopleura stauroneiformis Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.39 0.45 0.57
Encyonema elginense Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.57 0.57 0.57
Eunotia fallax Cleve Northern Sweden (SWE) 0.30 0.40 0.57
Navicula cf. submolesta SWE CDD Hustedt 1949 Northern Sweden (SWE) 0.18 0.38 0.57
Achnanthes sp. impexiformis/impexa CDD_FM Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Asterionella formosa Hassal Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Aulacoseira distans var. nivaloides Camburn 1987 Northern Sweden (SWE) 0.56 0.56 0.56
Cocconeis placentula var. euglypta (Ehrenberg) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Cyclotella delicatissima Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Diploneis oculata (Brébisson) Cleve Northern Sweden (SWE) 0.18 0.33 0.56
Eunotia monodon Ehrenberg Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.56 0.56 0.56
Gomphonema sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.42 0.56
Melosira arentii (Kolbe) Nagumo et Kobayasi 1977 Northern Sweden (SWE) 0.56 0.56 0.56
Navicula absoluta Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Navicula elginensis (Gregory) Ralfs Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Navicula pupula var. mutata (Krasske) Hustedt Northern Sweden (SWE) 0.18 0.40 0.56
Pinnularia hemiptera (Kützing) Rabenhorst Northern Sweden (SWE) 0.35 0.46 0.56
Tetracyclus glans (Ehrenberg) Mills Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.36 0.56
Achnanthes flexella var. alpestris Brun Northern Sweden (SWE) 0.18 0.32 0.55
Cymbella amphicephala Nägeli ex Kützing Northern Sweden (SWE) 0.19 0.31 0.55
Eunotia microcephala Krasske ex Hustedt Northern Sweden (SWE) 0.32 0.44 0.55
Achnanthes oestrupii (Cleve-Euler) Hustedt Northern Sweden (SWE) 0.19 0.36 0.54
Cymbopleura anglica Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.54 0.54 0.54
Diatoma tenuis Agardh Northern Sweden (SWE) 0.54 0.54 0.54
Psammothidium broenlundense Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.53 0.53 0.53
Psammothidium subatomoides (Hustedt) Bukhtiyarova et Round Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.53 0.53 0.53
Nitzschia angustata (Smith) Grunow Northern Sweden (SWE) 0.19 0.31 0.52
Cyclotella stelligera (Cleve et Grunow) Van Heurck Abisko, Sweden (ABK) 0.24 0.41 0.51
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