Lazăr & Leocov, Fl. Moldav. Dobr. Exs.
Lazăr, M.; Leocov, M.; Hortus Botanicus Universitatis "Al. I. Cuza" [401-600]

West Virginia University Herbarium
Catalog #: WVA-V-0095382
Leocov, M. #s.n. 12 November 1980
Azolla caroliniana Willd.
Romania, Tulcea, Dobrogea, distr. Tulcea. Sulina, in canale dicto "Bursuca"