Carl (or Karl) Theodor Hilsenberg (11 March 1802 – 11 September 1824)[1] [2] was a German naturalist, botanist and ornithologist, who collected plants in Madagascar[3] and Mauritius. He described the sooty albatross in 1822.
. The Journal of the Linnean Society of London . Linnean Society of London . Linnean Society of London . 1890 . Academic Press for the Linnean Society of London . London . 246 . Hilsenberg Madagascar. .