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| Achnanthepyla arctica (Cleve) M. Peragallo 1921 |
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| Achnanthepyla arctica var. incurvata (Østrup) M. Peragallo 1921 |
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| Achnanthepyla baccata M. Peragallo 1921 |
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| Achnanthepyla bongrainii M. Peragallo 1921 |
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| Achnanthepyla bongrainii var. parallela M. Peragallo 1921 |
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| Achnanthepyla gainii M. Peragallo 1921 |
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| Achnanthepyla gainii var. ostrupii M. Peragallo 1921 |
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| Achnanthepyla glabrata (Grunow) M. Peragallo 1921 |
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| Achnanthepyla glabrata var. aucklandica (Grunow in Cleve & Grunow) M. Peragallo 1921 |
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| Achnanthepyla groenlandica (Cleve) M. Peragallo 1921 |
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| Achnanthepyla jamalinensis (Grunow in Cleve & Grunow) M. Peragallo 1921 |
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| Achnanthepyla mesogongyla (Grunow in Cleve & Grunow) M. Peragallo 1921 |
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| Achnanthepyla minutula (Grunow) M. Peragallo 1921 |
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| Achnanthepyla simplex M. Peragallo 1921 |
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| Achnanthepyla temperei (M. Peragallo in Tempère & Peragallo) M. Peragallo 1921 |
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| Achnanthes antarctica M. Peragallo 1921 |
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| Achnanthes charcotii M. Peragallo 1921 |
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| Achnanthes coarctata f. antarctica M. Peragallo 1921 |
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| Achnanthes coarctata var. distorta M. Peragallo 1921 |
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| Achnanthes coarctata var. elineata (Lagerstedt) M. Peragallo 1921 |
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