Rendle 1899 - Rendle AB (1899) XII. A Systematic Revision of the Genus Najas. Transactions of the Linnean Society of London. 2nd Series: Botany 5(12): 379-436. doi: 10.1111/j.1095-8339.1899.tb00200.x.
There is no corrections for Najas brevistyla yet.