(ofAchnanthes duthiei Sreenivasa, 1971 †)Sreenivasa, M. R. (1971). New fossil diatoms from Ontario. II. <i>Achnanthes duthii</i> sp. nov., <i>Achnanthes undulatus</i> sp. nov., and <i>Neidium distincte-punctatum</i> Hustedt var. major var. nov. <em>Phycologia.</em> 10(1): 79-82., available online athttps://doi.org/10.2216/i0031-8884-10-1-79.1 page(s): p. 79; fig. 1a-d, fig. 2a-c [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. (2026). DiatomBase. Achnanthidium duthiei (M.R.Sreenivasa) Edlund, 1994. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=844552 on 2026-07-24
original description(ofAchnanthes duthiei Sreenivasa, 1971 †)Sreenivasa, M. R. (1971). New fossil diatoms from Ontario. II. <i>Achnanthes duthii</i> sp. nov., <i>Achnanthes undulatus</i> sp. nov., and <i>Neidium distincte-punctatum</i> Hustedt var. major var. nov. <em>Phycologia.</em> 10(1): 79-82., available online athttps://doi.org/10.2216/i0031-8884-10-1-79.1 page(s): p. 79; fig. 1a-d, fig. 2a-c [details]
new combination referenceEdlund, M.B. (1994). Additions and confirmations to the algal flora of Itasca State Park. II. Diatoms from Chambers Creek. Journal of the Minnesota Academy of Science, 59(1): 10-21 page(s): p. 12; fig. 40 [details]