Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Navicula submuralis Hustedt Labrador, Canada (LAB) 0.40 1.17 2.60
Navicula utermoehlii Hustedt Labrador, Canada (LAB) 0.20 0.66 4.40
Navicula ventralis Krasske Labrador, Canada (LAB) 0.20 0.52 1.00
Navicula vitiosa Schimanski Labrador, Canada (LAB) 0.20 2.94 8.80
Nitzschia alpina Hustedt Labrador, Canada (LAB) 0.30 0.57 1.00
Nitzschia amphibia Grunow Labrador, Canada (LAB) 0.20 0.56 1.20
Nitzschia fonticola Grunow Labrador, Canada (LAB) 0.20 2.69 8.00
Nitzschia hantzschiana Rabenhorst Labrador, Canada (LAB) 1.80 1.80 1.80
Nitzschia perminuta (Grunow) Peragallo Labrador, Canada (LAB) 0.20 0.55 2.00
Nupela paludigena (Scherer) Lange-Bertalot 1993 Labrador, Canada (LAB) 2.40 2.40 2.40
Nupela tenuicephala (Hustedt) Lange-Bertalot in Lange-Bertalot et Moser 1994 Labrador, Canada (LAB) 0.20 1.98 13.20
Pinnularia cf. braunii CDD_FM var. amphicephala (Grunow) Cleve 1895 Labrador, Canada (LAB) 0.20 0.43 1.20
Pinnularia mesolepta CDD_FM morphotype III (Ehrenberg) W. Smith 1853 sensu Krammer 1992 Labrador, Canada (LAB) 0.20 1.25 5.20
Pinnularia microstauron (Ehrenberg) Cleve Labrador, Canada (LAB) 0.20 0.58 1.80
Pinnularia rupestris Hantzsch Labrador, Canada (LAB) 0.20 0.52 1.80
Stauroneis anceps Ehrenberg Labrador, Canada (LAB) 0.20 0.57 1.60
Stenopterobia delicatissima (Lewis) Brébisson ex Van Heurck 1896 Labrador, Canada (LAB) 0.20 0.59 2.40
Tabellaria flocculosa (Roth) Kützing Labrador, Canada (LAB) 0.20 1.85 11.50
Achnanthes altaica (Poretzky) Cleve-Euler Lena River, Russia (LEN) 0.31 1.58 3.22
Achnanthes amoena Hustedt Lena River, Russia (LEN) 0.31 1.88 3.44
Achnanthes calcar Cleve Lena River, Russia (LEN) 2.50 2.50 2.50
Achnanthes chlidanos Hohn et Hellermann Lena River, Russia (LEN) 0.31 1.06 2.45
Achnanthes clevei Grunow Lena River, Russia (LEN) 0.31 0.78 1.25
Achnanthes curtissima Carter Lena River, Russia (LEN) 0.30 2.02 6.75
Achnanthes didyma Hustedt Lena River, Russia (LEN) 0.62 0.92 1.23
Achnanthes gracillima Hustedt Lena River, Russia (LEN) 0.32 1.16 2.52
Achnanthes helvetica (Hustedt) Lange-Bertalot Lena River, Russia (LEN) 0.31 0.71 1.74
Achnanthes holsatica Hustedt Lena River, Russia (LEN) 2.50 2.50 2.50
Achnanthes lanceolata (Brébisson ex Kützing) Grunow Lena River, Russia (LEN) 0.31 1.10 1.89
Achnanthes lanceolata var. frequentissima Lena River, Russia (LEN) 0.31 3.52 18.90
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