Maryland Biodiversity Project - American Bur-reed (Sparganium americanum)
Giant Bur Reed (Sparganium eurycarpum) - Guide to Kansas Plants
PDF) Genetic threats to the Forest Giants of the Amazon: Habitat degradation effects on the socio-economically important Brazil nut tree (Bertholletia excelsa)
Amazon.com: Sowerby's English Botany - Small BUR Reed - Hand-Colored Litho - 1873: Posters & Prints
Maryland Biodiversity Project - American Bur-reed (Sparganium americanum)