Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Nitzschia homburgiensis Lange-Bertalot 1978 Abisko, Sweden (ABK) 0.49 0.56 0.71
Pinnularia perspicua Bylot Island, Nunavut, Canada. (BYL) 0.17 0.56 1.55
Stauroneis cf. prominula DERMOT Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.22 0.56 1.14
Achnanthes bicapitata Hustedt Labrador, Canada (LAB) 0.20 0.55 2.00
Achnanthes didyma Hustedt Northern Sweden (SWE) 0.17 0.55 1.61
Achnanthes kriegeri Krasske 1943 Northern Sweden (SWE) 0.16 0.55 1.14
Achnanthes laterostrata var. capitata Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.55 0.66
Actinella punctata Lewis Labrador, Canada (LAB) 0.20 0.55 2.20
Aulacoseira subarctica (Müller) Haworth Taimyr Peninsula, Russia (TAI) 0.29 0.55 1.18
Eunotia sp. 10 [(minima)] DIAT_UME Northern Sweden (SWE) 0.17 0.55 1.92
Eunotia sp. YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.28 0.55 1.16
Fragilaria polygonata Cleve-Euler Labrador, Canada (LAB) 0.20 0.55 1.40
Fragilaria pseudoconstruens var. bigibba Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.32 0.55 1.65
Gomphonema clavatulum Bylot Island, Nunavut, Canada. (BYL) 0.10 0.55 2.00
Navicula bacilloides Hustedt Abisko, Sweden (ABK) 0.24 0.55 0.95
Navicula difficillima Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.55 1.00
Navicula leptostriata Jorgensen 1948 Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.55 4.35
Navicula ventralis Krasske Abisko, Sweden (ABK) 0.25 0.55 0.96
Navicula vitabunda Hustedt Northern Sweden (SWE) 0.31 0.55 1.28
Neidium alpinum Hustedt Abisko, Sweden (ABK) 0.23 0.55 1.47
Nitzschia perminuta (Grunow) Peragallo Labrador, Canada (LAB) 0.20 0.55 2.00
Platessa rupestris (Krasske) Lange-Bertalot Mould Bay, Prince Patrick Island, Canadian Arctic Archipelago (MB) 0.18 0.55 1.10
Stephanodiscus alpinus Hustedt Abisko, Sweden (ABK) 0.50 0.55 0.60
Tabellaria binalis var. elliptica Flower Abisko, Sweden (ABK) 0.24 0.55 0.98
Achnanthes oestrupii (Cleve-Euler) Hustedt Bylot Island, Nunavut, Canada. (BYL) 0.17 0.54 1.43
Cymbella lapponica Grunow Labrador, Canada (LAB) 0.20 0.54 1.80
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
Eunotia intermedia (Krasske ex Hustedt) Nörpel et Lange-Bertalot Taimyr Peninsula, Russia (TAI) 0.30 0.54 1.00
Navicula cocconeiformis Gregory ex Greville Northern Sweden (SWE) 0.17 0.54 2.88
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