Frederik Marcus Knuth, 9th Count of Knuthenborg (5 May 1904 – 14 June 1970) was a Danish

taxonomist In biology, taxonomy () is the science, scientific study of naming, defining (Circumscription (taxonomy), circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxon, taxa (si ...

especially known for the collection and classification of

cactus A cactus (: cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae (), a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. The word ''cactus'' derives, through Latin, ...

es. He collected and described many new species. According to the Bovrup File Knuth was a member of DNSAP.

References

1904 births 1970 deaths 20th-century Danish botanists 20th-century Danish landowners Botanists active in South America Danish counts Danish explorers Danish Nazis Knuth family {{Denmark-botanist-stub