Elodea nuttallii was recorded for the first time in three localities of the Nemunas River (southern Lithuania) in 2020 and 2021

Butkuvienė, Jurgita & Kamaitytė-Bukelskienė, Liucija & Naugžemys, Donatas & Patamsytė, Jolanta & Sinkevičienė, Zofija. (2022). First records and molecular confirmation of invasive species Elodea nuttallii (Planch.) H.St.John, 1920 in Lithuania. BioInvasions Records. 11. 1019-1030. 10.3391/bir.2022.11.4.20.

https://www.researchgate.net/publication/365609086_First_records_and_molecular_confirmation_of_invasive_species_Elodea_nuttallii_Planch_HStJohn_1920_in_Lithuania