Occurrence (%)
Taxon name Dataset region Minimum Average Maximum
Achnanthes flexella (Kützing) Brun Abisko, Sweden (ABK) 0.23 0.39 1.39
Achnanthes flexella (Kützing) Brun Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.66 1.32
Achnanthes flexella (Kützing) Brun Northern Sweden (SWE) 0.20 0.31 0.48
Achnanthes flexella (Kützing) Brun Yellowknife area, Northwest Territories, Canada (YEL) 0.25 0.28 0.30
Achnanthes fragilarioides Petersen Taimyr Peninsula, Russia (TAI) 0.53 0.57 0.61
Achnanthes fragilarioides Petersen Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.33 0.33
Achnanthes frigida Hustedt Northern Sweden (SWE) 0.30 0.31 0.32
Achnanthes gracillima Hustedt Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 1.28 3.30
Achnanthes gracillima Hustedt Salluit, Kangiqsujuaq and Quaqtaq, Ungava Peninsula, Nunavik, Canada (SAL) 0.31 0.69 2.96
Achnanthes gracillima Hustedt Lena River, Russia (LEN) 0.32 1.16 2.52
Achnanthes gracillima Hustedt Taimyr Peninsula, Russia (TAI) 0.29 0.29 0.30
Achnanthes grana Hohn et Hellermann Northern Quebec (QUE) 0.20 0.95 1.60
Achnanthes helvetica (Hustedt) Lange-Bertalot Southampton Island, Nunavut, Canada (SI) 0.19 0.61 2.39
Achnanthes helvetica (Hustedt) Lange-Bertalot Northern Sweden (SWE) 0.16 0.71 2.01
Achnanthes helvetica (Hustedt) Lange-Bertalot Lena River, Russia (LEN) 0.31 0.71 1.74
Achnanthes helvetica (Hustedt) Lange-Bertalot Pechora River, Russia (PEC) 0.30 0.82 1.58
Achnanthes helvetica (Hustedt) Lange-Bertalot Yellowknife area, Northwest Territories, Canada (YEL) 0.31 0.73 1.12
Achnanthes helvetica (Hustedt) Lange-Bertalot Northern Quebec (QUE) 0.20 0.50 1.00
Achnanthes helvetica (Hustedt) Lange-Bertalot Yukon and Tuktoyaktuk Peninsula, Northwest Territories, Canada (YUK) 0.33 0.33 0.33
Achnanthes holsatica Hustedt Lena River, Russia (LEN) 2.50 2.50 2.50
Achnanthes holsatica Hustedt Abisko, Sweden (ABK) 0.25 0.25 0.25
Achnanthes holstii Cleve 1881 Abisko, Sweden (ABK) 0.48 0.48 0.48
Achnanthes holstii Cleve 1881 Yellowknife area, Northwest Territories, Canada (YEL) 0.29 0.29 0.29
Achnanthes holstii Cleve 1881 Northern Sweden (SWE) 0.19 0.19 0.19
Achnanthes hungarica (Grunow) Grunow Taimyr Peninsula, Russia (TAI) 0.30 0.30 0.30
Achnanthes imperfecta Schimanski Northern Sweden (SWE) 0.19 0.76 1.33
Achnanthes imperfecta Schimanski Abisko, Sweden (ABK) 0.25 0.25 0.25
Achnanthes impexiformis Lange-Bertalot Northern Quebec (QUE) 0.20 0.86 4.80
Achnanthes impexiformis Lange-Bertalot Abisko, Sweden (ABK) 0.23 0.57 2.35
Achnanthes impexiformis Lange-Bertalot Northern Sweden (SWE) 0.18 0.50 1.15
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