Caption:
Butomus umbellatus is the Old World Palearctic and Asian plant species in the family Butomaceae. Common names include flowering rush or grass rush / Schwanenblume (Butomus umbellatus), auch Wasserliesch, Blumenbinse, Doldige Schwanenblume oder Wasserviole, digital improved reproduction of an original from the 19th century / digitale Reproduktion einer Originalvorlage aus dem 19. Jahrhundert.