Carl Rudolf Florin (5 April 1894, in Solna – 24 September 1965)^[1] was a Swedish biologist botanist, specialising in gymnosperms, including both modern and fossil material.

He was Professor Bergianus from 1944 and a member of the Royal Swedish Academy of Sciences from 1947.

He was awarded the Linnean Society of London's Darwin-Wallace Medal in 1958.

• "On the geological history of the Sciadopitineae." Svensk Bot. Tidskr. 16 (2): 260-270 (1922).
• "Die Koniferengattung Libocedrus Endl. in Ostasien." Svensk Bot. Tidskr. 24 (1): 117-131 (1930).
• "Pilgerodendron, eine neue Koniferengattung aus Süd-Chile." Svensk Bot. Tidskr. 24 (1): 132-135 (1930).
• "Untersuchungen zur Stammesgeschichte der Coniferales und Cordaitales. Erster Teil: Morphologie und Epidermisstruktur der Assimilationsorgane bei den rezenten Koniferen." Kongl. Svenska Vetenskapsakad. Handl. 10 (1) 1-588 (1931).
• "Die Koniferen des Oberkarbons und des unteren Perms." Palaeontographica B 85: 1-729 (1938–1945).
• "Evolution in Cordaites and Conifers." Acta Hort. Berg. 15 (2): 285-388 (1951).
• "On Metasequoia, living and fossil." Bot. Not. 1 (105): 1-29 (1952).
• "Nomenclatural notes on genera of living gymnosperms." Taxon 5 (8): 188-192 (1956).
• "The distribution of Conifer and Taxad genera in Time and Space." Acta Hort. Berg. 20 (4): 121-312 (1963).
• "The distribution of Conifer and Taxad genera in Time and Space; additions and corrections." Acta Hort. Berg. 20 (6): 319-326 (1966).

Authority control databases
International	ISNI VIAF WorldCat
National	Germany United States Sweden Netherlands
Academics	International Plant Names Index CiNii
People	Deutsche Biographie
Other	SNAC IdRef Te Papa (New Zealand)