Danish botanist (1926-2012).
Kai Larsen (15 November 1926 in Hillerød – 23 August 2012) was a Danish botanist. Kai Larsen was professor of botany (Emeritus from 1-12-1996) at Århus University, Denmark. He was the Danish editor of Flora Nordica, editor of Flora of Thailand, advisor to Flora of China and executive member of Flora Malesiana. He edited several exsiccatae, among others Flora Germanica exsiccata Schleswig-Holstein. He was a member of the Norwegian Academy of Science and Letters. and the Royal Danish Academy of Sciences and Letters. The standard author abbreviation K.Larsen is used to indicate this person as the