Gronovius was a Dutch naturalist who wrote a number of books on botany. Bartram is considered the first native-born American botanist.
From the description of [Letter] 1751 Jun. 16, Leyden [to] Mr. Bartram / Joh. Fred. Gronovius. (Smith College). WorldCat record id: 231366979
Epithet: Professor at Deventer and Leyden
British Library Archives and Manuscripts Catalogue : Person : Description : ark:/81055/vdc_100000001089.0x000222
Dutch botanist.
From the description of Autograph letter signed : Leyden, to an unidentified English recipient, 1750 Aug. 21. (Unknown). WorldCat record id: 270501885