ChaRMS Taxon list
Achnanthidium delicatulum sensu Schumann, 1867 (uncertain > unassessed )
Achnanthidium delicatulum f. delicatulum Kützing, 1844 (uncertain > unassessed )
Achnanthidium microcephalum Kützing, 1844 (uncertain > unassessed )
Achnanthidium minutissimum (Kützing) Czarnecki, 1994 accepted as Achnanthes minutissima var. minutissima Kützing, 1833
Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939
Karayevia amoena (Hust.) Bukht., 2006
Karayevia clevei (Grunow) Round & Bukhtiyarova, 1999
Karayevia ploenensis (Hustedt) Bukhtiyarova, 1999
Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844
Planothidium dispar (Cleve) Witkowski, Lange-Bertalot & Metzeltin, 2000 accepted as Achnanthes dispar var. dispar Cleve, 1891
Planothidium hauckianum (Grunow) Round & Bukhtiyarova, 1996
Rossithidium archibaldianum (Lange-Bertalot) L.N.Bukhtiyarova, 2008