In 1973, Verdcourt made the combination in Myriophyllum L.: M. aquaticum (Vellozo) Verdcourt based on Enydria aquatica Vellozo in the Haloragaceae. However, significant morphological differences exist between the study of the Vellozo 1825 protologue and the Vellozo 1831 plate of E. aquatica. Therefore, we propose the designation of an epitype to better fix the taxonomic application of the name M. aquaticum (Vellozo) Verdcourt.
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Novon: A Journal for Botanical Nomenclature
Vol. 19 • No. 1
March 2009
Vol. 19 • No. 1
March 2009
Enydria
Haloragaceae
Myriophyllum