Anacamptis palustris subsp. robusta (T.Stephenson) R.M.Bateman, Pridgeon & M.W.Chase

POWO follows these authorities in synonymising this name:

• (2003). https://doi.org/10.1046/j.1095-8339.2003.00157.x. epublication. [Cited as Anacamptis robusta.]
• Castroviejo, S. & al. (eds.) (2005). Flora Iberica 21: 1-366. Real Jardín Botánico, CSIC, Madrid. [Cited as Anacamptis palustris subsp. palustris.]

This name was accepted following an alternative taxonomy by these authorities:

• Dimopoulos, P. & al. (2016). Vascular plants of Greece: An annotated checklist. Supplement. Willdenowia 46: 301-347. [Cited as Anacamptis palustris subsp. robusta.]
• Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens. [Cited as Anacamptis palustris subsp. robusta.]
• Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève. [Cited as Anacamptis palustris subsp. robusta.]
• Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Anacamptis palustris subsp. robusta.]
• Kretzschmar, H. ,Eccarius, W. & Dietrich, H. (2007). The Orchid Genera Anacamptis, Orchis and Neotinea. Phylogeny, taxonomy, morphology, biology, distribution, ecology and hybridisation, ed. 2: 1-544. EchinoMedia verlag, Bürgel. [Cited as Anacamptis palustris subsp. robusta.]
• Kühn, R., Pedersen, H.Æ. & Cribb, P.J. (2019). Field Guide to the Orchids of Europe and the Mediterranean: 1-430. Kew Publishing, England. [Cited as Anacamptis palustris subsp. robusta.]