Berula angustifolia Mert. & W. D. J. Koch in Röhling, Deutschl. Fl., ed. 3, 2: 433. 1826
Berula angustifolia in Röhling, Deutschl. Fl., ed. 3, 2: 433. 1826
is new combination for Sium erectum, Fl. Angl.: 103. 1762
is new name for Sium angustifolium, Sp. Pl., ed. 2: 1672. 1763
Berula angustifolia in Röhling, Deutschl. Fl., ed. 3, 2: 433. 1826