Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Fragilaria oldenburgiana Hustedt Labrador, Canada (LAB) 0.20 1.55 3.60
Fragilaria oldenburgiana Hustedt Abisko, Sweden (ABK) 0.24 1.05 1.87
Fragilaria oldenburgiana Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.66 0.66 0.66
Fragilaria parasitica (Smith) Grunow Southampton Island, Nunavut, Canada (SI) 0.19 0.68 2.25
Fragilaria parasitica (Smith) Grunow Taimyr Peninsula, Russia (TAI) 0.28 0.80 2.10
Fragilaria pinnata Ehrenberg Lena River, Russia (LEN) 0.87 20.53 73.26
Fragilaria pinnata Ehrenberg Pechora River, Russia (PEC) 0.29 14.39 73.01
Fragilaria pinnata Ehrenberg Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 29.70 66.77
Fragilaria pinnata Ehrenberg Northern Quebec (QUE) 0.20 14.40 62.00
Fragilaria pinnata Ehrenberg Taimyr Peninsula, Russia (TAI) 1.52 23.53 52.42
Fragilaria pinnata Ehrenberg Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 7.30 35.20
Fragilaria pinnata Ehrenberg Abisko, Sweden (ABK) 0.21 9.30 35.06
Fragilaria pinnata Ehrenberg Northern Sweden (SWE) 0.19 7.18 30.35
Fragilaria pinnata Ehrenberg Yellowknife area, Northwest Territories, Canada (YEL) 0.29 5.02 29.17
Fragilaria pinnata Ehrenberg Labrador, Canada (LAB) 0.20 3.84 17.90
Fragilaria pinnata sp. [cf. var. acuminata] CDD_FM Mayer 1937 Labrador, Canada (LAB) 0.20 1.33 4.80
Fragilaria pinnata var. acuminata Mayer Northern Quebec (QUE) 0.20 2.06 8.40
Fragilaria pinnata var. acuminata Mayer Pechora River, Russia (PEC) 0.29 0.97 1.65
Fragilaria pinnata var. intercedens (Grunow) Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 2.83 13.53
Fragilaria pinnata var. intercedens (Grunow) Hustedt Northern Quebec (QUE) 0.20 2.03 12.00
Fragilaria pinnata var. intercedens (Grunow) Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.99 5.19
Fragilaria pinnata var. intercedens (Grunow) Hustedt Lena River, Russia (LEN) 0.63 1.67 4.67
Fragilaria pinnata var. intercedens (Grunow) Hustedt Taimyr Peninsula, Russia (TAI) 0.28 1.20 4.07
Fragilaria pinnata var. intercedens (Grunow) Hustedt Pechora River, Russia (PEC) 0.28 0.86 1.78
Fragilaria pinnata var. intercedens (Grunow) Hustedt Yellowknife area, Northwest Territories, Canada (YEL) 0.26 0.26 0.26
Fragilaria pinnata var. lancettula (Schumann) Hustedt Southampton Island, Nunavut, Canada (SI) 10.60 18.48 30.34
Fragilaria pinnata var. lancettula (Schumann) Hustedt Pechora River, Russia (PEC) 0.56 1.50 4.12
Fragilaria pinnata var. lancettula (Schumann) Hustedt Labrador, Canada (LAB) 0.20 0.84 2.40
Fragilaria pinnata var. lancettula (Schumann) Hustedt Northern Quebec (QUE) 0.20 1.03 2.20
Fragilaria pinnata var. lancettula (Schumann) Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.93 1.67
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