Carl Adolph Agardh (23 January 1785 in Båstad, Sweden – 28 January 1859 in Karlstad) was a Swedish botanist specializing in algae, who was eventually appointed bishop of Karlstad.
Source: "Svenska folket genom tiderna. Vårt lands kulturhistoria i skildringar och bilder. Åttonde bandet", page 160. Edited by Ewert Wrangel. Published by Tidskriftsförlaget Allhem AB, Malmö, 1939 License: CC-PD-Mark PD Old