Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Cyclotella michiganiana Skvortzow Taimyr Peninsula, Russia (TAI) 0.58 0.93 1.28
Fragilaria brevistriata var. papillosa Cleve-Euler Southampton Island, Nunavut, Canada (SI) 0.58 3.31 4.98
Fragilaria capucina var. gracilis (Østrup) Hustedt Pechora River, Russia (PEC) 0.58 1.65 3.76
Gomphonema clavatulum Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.58 0.63 0.65
Gomphonema gracile Ehrenberg emend Van Heurck Lena River, Russia (LEN) 0.58 0.82 1.26
Navicula absoluta Hustedt Taimyr Peninsula, Russia (TAI) 0.58 1.03 2.34
Navicula cryptocephala Kützing Lena River, Russia (LEN) 0.58 1.49 3.76
Navicula lapidosa Krasske Lena River, Russia (LEN) 0.58 0.77 1.24
Navicula sp. difficillima/pseudoarvensis YEL Yellowknife area, Northwest Territories, Canada (YEL) 0.58 0.86 1.12
Navicula veneta Kützing Lena River, Russia (LEN) 0.58 0.82 1.26
Neidium affine var. amphirhynchus (Ehrenberg) Cleve Northern Sweden (SWE) 0.58 0.58 0.58
Neidium bisulcatum var. subampliatum Krammer ex Krammer et Lange-Bertalot Northern Sweden (SWE) 0.58 0.71 0.85
Neidium septentrionale Cleve-Euler 1939 Yellowknife area, Northwest Territories, Canada (YEL) 0.58 0.58 0.58
Nitzschia commutata Grunow Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.58 1.70 5.17
Nitzschia paleacea Grunow ex Van Heurck Lena River, Russia (LEN) 0.58 1.08 1.84
Nitzschia perminuta (Grunow) Peragallo Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.58 14.59 67.82
Semiorbis hemicyclus (Ehrenberg) Patrick in Patrick et Reimer 1966 Northern Sweden (SWE) 0.58 4.97 9.35
Achnanthes exigua Grunow Northern Sweden (SWE) 0.57 0.57 0.57
Cyclotella krammeri Håkansson Northern Sweden (SWE) 0.57 3.69 8.04
Diatoma moniliformis Kützing Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.57 1.72 2.88
Encyonema elginense Alert, Queen Elizabeth Islands, Canadian Arctic Archipelago (ALERT) 0.57 0.57 0.57
Eunotia monodon Ehrenberg Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.57 0.63 0.69
Navicula minuscula Grunow Pechora River, Russia (PEC) 0.57 2.25 7.87
Navicula seminulum Grunow Pechora River, Russia (PEC) 0.57 4.33 12.31
Stauroneis sp. gracilis/heinii DERMOT Isachsen, Ellef Ringnes Island, Canadian High Arctic (ISACH) 0.57 0.76 0.95
Achnanthes sp. impexiformis/impexa CDD_FM Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Asterionella formosa Hassal Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Aulacoseira distans var. nivaloides Camburn 1987 Northern Sweden (SWE) 0.56 0.56 0.56
Cocconeis placentula var. euglypta (Ehrenberg) Grunow Yellowknife area, Northwest Territories, Canada (YEL) 0.56 0.56 0.56
Cyclotella bodanica var. bodanica Southampton Island, Nunavut, Canada (SI) 0.56 1.13 1.63
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... »»