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Books about Thonning:
Peter Thonning and Denmark's Guinea Commission: A Study in Nineteenth-Century African Colonial Geography (Atlantic... by Daniel Hopkins (Dec 7, 2012)
West African Herbaria of Isert and Thonning by F N Hepper (Jan 15, 1976)
Peter Thonning and Denmark's Guinea Commission. BRILL. 1244. by UNIVERSITY OF MISSOURI. DANIEL HOPKINS (1244)
Thonning's and Isert's collections from "Danish Guinea" (Ghana) in west tropical Africa (Papers from the Botanical... by Jens Junghans (1962)
Wiki information Thonning:
Peter Thonning was a Danish physician and botanist. He was sent to Ghana by the Danish government to supervise the plantations of that colony, and he lived there from 1799 to 1803. His herbarium was destroyed during the shelling of Copenhagen by the...
Thonningia is a monotypic genus of flowering plants in the family Balanophoraceae containing the single species Thonningia sanguinea. It is distributed throughout much of southern and western Africa, particularly the tropical regions. Common names...