Swedish botanist (1821-1880).
Nils Johan Andersson (20 February 1821 Gärdserum, Småland, Sweden – 27 March 1880 Stockholm), was a Swedish botanist and traveller. The standard author abbreviation Andersson is used to indicate this person as the author when citing a botanical name. He studied at Uppsala University between 1840-45 obtaining a DSc. On 30 September 1851 he accompanied the Swedish expedition as botanist aboard the frigate HSwMS Eugenie, sailing from Karlskrona under the command of Captain Christian Adolf Virgin (1797-1870), on the first Swedish circumnavigation, calling at Honolulu, Tahiti, San Francisco, Sydney