Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Frustulia rhomboides (Ehrenberg) De Toni Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.92 1.95
Frustulia rhomboides (Ehrenberg) De Toni Southampton Island, Nunavut, Canada (SI) 0.19 0.71 1.74
Frustulia rhomboides (Ehrenberg) De Toni Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.33 0.33
Frustulia rhomboides var. crassinervia (Brébisson ex Smith) Ross Northern Quebec (QUE) 0.20 1.18 4.70
Frustulia rhomboides var. crassinervia (Brébisson ex Smith) Ross Yellowknife area, Northwest Territories, Canada (YEL) 0.27 0.78 2.22
Frustulia rhomboides var. crassinervia (Brébisson ex Smith) Ross Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.32 0.43 0.65
Frustulia rhomboides var. crassinervia (Brébisson ex Smith) Ross Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.33 0.33
Frustulia rhomboides var. saxonica fo. undulata Hustedt Northern Sweden (SWE) 0.17 0.56 1.72
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Abisko, Sweden (ABK) 0.23 8.05 39.25
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Northern Sweden (SWE) 0.18 7.13 23.33
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Labrador, Canada (LAB) 0.20 3.35 16.30
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Yellowknife area, Northwest Territories, Canada (YEL) 0.27 1.55 5.92
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Northern Quebec (QUE) 0.20 0.98 3.20
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.89 3.15
Frustulia rhomboides var. saxonica (Rabenhorst) deToni Pechora River, Russia (PEC) 0.29 0.70 1.19
Frustulia rhomboides var. saxonica (Rabenhorst) De Toni 1891 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 1.30 2.64 5.52
Frustulia rhomboides var. viridula (Brébisson) Cleve Northern Sweden (SWE) 0.18 0.87 3.10
Frustulia sp. ABISKO Abisko, Sweden (ABK) 0.24 0.24 0.24
Geissleria boreosiberica Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.44 0.60 0.76
Geissleria cf. acceptata SI-CDD (Hustedt) Lange-Bertalot et Metzeltin 1996 Southampton Island, Nunavut, Canada (SI) 0.17 0.41 1.20
Geissleria schoenfeldii (Hustedt) Lange-Bertalot et Metzeltin Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.59 2.28 4.80
Geissleria similis Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 1.34 1.34 1.34
Gomphonema acuminatum Ehrenberg Pechora River, Russia (PEC) 0.29 0.87 1.45
Gomphonema acuminatum Ehrenberg Lena River, Russia (LEN) 0.31 0.67 1.21
Gomphonema acuminatum Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.44 0.65
Gomphonema acuminatum var. coronatum (Ehrenberg) Rabenhorst Abisko, Sweden (ABK) 0.21 0.60 4.09
Gomphonema acuminatum var. coronatum (Ehrenberg) Rabenhorst Northern Sweden (SWE) 0.18 0.61 1.13
Gomphonema angustatum (Kützing) Rabenhorst 1864 Pechora River, Russia (PEC) 0.29 0.68 1.16
Gomphonema angustatum (Kützing) Rabenhorst 1864 Northern Sweden (SWE) 0.18 0.44 0.83
Gomphonema angustatum (Kützing) Rabenhorst 1864 Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.16 0.37 0.65
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