Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Achnanthes curtissima Carter Pechora River, Russia (PEC) 0.26 1.01 5.36
Achnanthes didyma Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.26 2.71 5.57
Achnanthes microcephala (Kützing) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.63 1.96
Achnanthes pusilla (Grunow) DeToni Pechora River, Russia (PEC) 0.26 1.22 2.65
Achnanthes rossii Hustedt 1954 Pechora River, Russia (PEC) 0.26 1.57 3.74
Achnanthes subatomoides (Hustedt) Lange-Bertalot et Archibald Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.50 0.84
Amphora libyca Ehrenberg 1840 Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.29 0.32
Aulacoseira distans (Ehrenberg) Simonsen Yellowknife area, Northwest Territories, Canada (YEL) 0.26 1.27 3.12
Aulacoseira lirata (Ehrenberg) Ross Yellowknife area, Northwest Territories, Canada (YEL) 0.26 4.65 19.53
Caloneis undulata (Gregory) Krammer Northern Sweden (SWE) 0.26 0.46 0.92
Cyclotella sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.28 0.30
Cymbella angustata (Smith) Cleve Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.84 2.86
Fragilaria brevistriata Grunow Pechora River, Russia (PEC) 0.26 1.06 4.45
Fragilaria construens (Ehrenberg) Grunow 1862 Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Fragilaria pinnata var. intercedens (Grunow) Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Gomphonema sp. 1 DIAT_UME Northern Sweden (SWE) 0.26 0.64 1.10
Navicula absoluta Hustedt Pechora River, Russia (PEC) 0.26 0.81 1.89
Navicula agrestis Hustedt Pechora River, Russia (PEC) 0.26 0.57 1.38
Navicula disjuncta Hustedt Pechora River, Russia (PEC) 0.26 1.07 2.87
Navicula laterostrata Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Navicula salinarum Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Navicula seminulum Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.26 3.01 6.40
Pinnularia interrupta Smith Pechora River, Russia (PEC) 0.26 0.94 3.54
Stauroneis anceps Ehrenberg Pechora River, Russia (PEC) 0.26 0.68 1.39
Tabellaria binalis (Ehrenberg) Grunow Northern Sweden (SWE) 0.26 0.29 0.32
Achnanthes flexella (Kützing) Brun Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.28 0.30
Achnanthes holsatica Hustedt Abisko, Sweden (ABK) 0.25 0.25 0.25
Achnanthes imperfecta Schimanski Abisko, Sweden (ABK) 0.25 0.25 0.25
Achnanthes levanderi Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.25 1.73 3.88
Achnanthes petersenii Hustedt 1936 Abisko, Sweden (ABK) 0.25 0.25 0.25
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