1. Species Achnanthes bengalensis Grunow in Cleve & Grunow, 1880
2. Species Achnanthes brevipes C.Agardh, 1824
3. Species Achnanthes exigua Grunow, 1880
4. Species Achnanthes inflata (Kützing) Grunow, 1867
5. Species Achnanthes longipes C.Agardh, 1824
6. Species Achnanthes amoena Hust., 1952 accepted as Karayevia amoena (Hust.) Bukht., 2006 (synonym)
7. Species Achnanthes archibaldiana Lange-Bert., 1989 accepted as Rossithidium archibaldianum (Lange-Bertalot) L.N.Bukhtiyarova, 2008 (Synonym)
8. Species Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (Taxonomic synonym)
9. Species Achnanthes clevei Grunow, 1880 accepted as Karayevia clevei (Grunow) Round & Bukhtiyarova, 1999
10. Species Achnanthes delicatula (Kützing) Grunow in Cleve & Grunow, 1880 accepted as Planothidium delicatulum (Kützing) Round & Bukhtiyarova, 1996 accepted as Achnanthidium delicatulum f. delicatulum Kützing, 1844
11. Species Achnanthes dispar Cleve, 1891 accepted as Planothidium dispar (Cleve) Witkowski, Lange-Bertalot & Metzeltin, 2000 accepted as Achnanthes dispar var. dispar Cleve, 1891
12. Species Achnanthes pyrenaica Hustedt, 1939 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939 (synonym)
13. Species Achnanthes ploenensis Hustedt, 1930 represented as Karayevia ploenensis (Hustedt) Bukhtiyarova, 1999
14. Species Achnanthes citronella (A.Mann) Hustedt, 1937 accepted as Cocconeis citronella Mann, 1925 (uncertain > unassessed)
15. Species Achnanthes crenulata Grunow, 1880 (uncertain > unassessed)
16. Species Achnanthes curvirostrum J.Brun, 1895 (uncertain > unassessed)
17. Species Achnanthes danica (Flögel) Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
18. Species Achnanthes dispar Mann, 1907 (uncertain > unassessed)
19. Species Achnanthes hauckiana Grunow, 1880 (uncertain > unassessed)
20. Species Achnanthes javanica Grunow in Cleve & Möller, 1878 (uncertain > unassessed)
21. Species Achnanthes leudugeri Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
22. Species Achnanthes microcephala (Kützing) Grunow, 1880 accepted as Achnanthidium microcephalum Kützing, 1844 (uncertain > unassessed)
23. Species Achnanthes minutissima Kützing, 1833 (uncertain > unassessed)
24. Species Achnanthes orientalis Hustedt, 1933 (uncertain > unassessed)
25. Species Achnanthes parvula Kützing, 1844 (uncertain > unassessed)
26. Species Achnanthes punctifera Hustedt, 1955 (uncertain > unassessed)
27. Species Achnanthes radiata Du & Cheng, 1984 (uncertain > unassessed)
28. Species Achnanthes tenuistauros Mann, 1925 (uncertain > unassessed)
29. Species Achnanthes wellsiae Reimer, 1966 (uncertain > unassessed)

marine, brackish, fresh, terrestrial

feminine

Bory de Saint-Vincent, J.B.M. & coll. (1822-1831). Dictionnaire Classique d'Histoire Naturelle. Paris. Rey & Gravier, libraires-éditeurs; Baudouin Frères, libraires-éditeurs., vol. 1 to 17 [details] 

Bory de Saint-Vincent, J. B. M. & coll. (1822). Dictionnaire Classique d'Histoire Naturelle. <em>Paris. Rey & Gravier, libraires-éditeurs; Baudouin Frères, libraires-éditeurs.</em> , available online at https://www.biodiversitylibrary.org/bibliography/33901#/summary [details] 

Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2025). DiatomBase. Achnanthes Bory, 1822. Accessed through: Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025) Chinese Register of Marine Species at: https://www.marinespecies.org/charms/aphia.php?p=taxdetails&id=149191 on 2025-05-18

Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025). Chinese Register of Marine Species. Achnanthes Bory, 1822. Accessed at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=149191 on 2025-05-18

[taxonomic tree]