| WebNameShort | |
| Achnantheiopsis apiculata (Patrick) Lange-Bertalot 1997 |
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| Achnantheiopsis aueri (Krasske) Lange-Bertalot 1997 |
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| Achnantheiopsis biporoma (Hohn & Hellerman) Lange-Bertalot 1997 |
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| Achnantheiopsis borneolanceolata Lange-Bertalot 1997 |
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| Achnantheiopsis chilensis (Hustedt) Lange-Bertalot 1997 |
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| Achnantheiopsis daui (Foged) Lange-Bertalot 1997 |
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| Achnantheiopsis delicatula (Kützing) Lange-Bertalot 1997 |
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| Achnantheiopsis distincta (Messikommer) Lange-Bertalot 1997 |
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| Achnantheiopsis dubia (Grunow) Lange-Bertalot 1997 |
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| Achnantheiopsis engelbrechtii (Cholnoky) Lange-Bertalot 1997 |
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| Achnantheiopsis fonticolanceolata (Lange-Bertalot & Schimanski) Lange-Bertalot 1997 |
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| Achnantheiopsis fragilarioides (Petersen) Lange-Bertalot 1997 |
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| Achnantheiopsis frequentissima (Lange-Bertalot) Lange-Bertalot 1997 |
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| Achnantheiopsis frequentissima var. magna (Straub) Lange-Bertalot 1997 |
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| Achnantheiopsis frequentissima var. minor (Schulz) Lange-Bertalot 1997 |
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| Achnantheiopsis grana (Hohn & Hellerman) Lange-Bertalot 1997 |
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| Achnantheiopsis hauckiana (Grunow) Lange-Bertalot 1997 |
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| Achnantheiopsis haynaldii (Schaarschmidt) Lange-Bertalot 1997 |
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| Achnantheiopsis heteromorpha (Grunow) Lange-Bertalot 1997 |
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| Achnantheiopsis holstii (Cleve) Lange-Bertalot 1997 |
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