The last major revision of the genus, at which time six species were recognized, was that of Hugh Algernon Weddell. Since this revision Myriocarpa has attracted little taxonomic interest outside of floristic treatments,Standley, P. C., & J. A. Steyermark. 1952. Pilea, Flora of Guatemala.Fieldiana, Botany 3: 404–406. despite its unusual female inflorescence morphology and ambiguous position within the Urticaceae and currently a total of 24 species names have been published.International Plant Names Index. 2006. Available at website http://www.ipni.org [accessed 1 July 2006].
