The Marcgrave herbarium
The Marcgrave herbarium is a book-herbarium containing the earliest collections from Brazil, collected by Georg Marcgrave (1610-1644) who visited the former Dutch colony at the state of Pernambuco in 1638–1644.
Olof Ryding, collection manager at the Natural History Museum of Denmark, presents the story of the Marcgrave herbarium:
D. de Andrade-Lima, A.F. Maule. T.M. Pedersen & K. Rahn (1977): Marcgrave’s Brazilian Herbarium Collected 1638-44. Botanisk Tidsskrift 71, pp 121–160.