 He collaborated with Frederik Ruysch on the first volume of Jan Commelijn's ""Horti Medici Amstelodamensis Rariorum"" which appeared in 1697 and dealt mainly with plants from the East and West Indies.This was an illustrated account, with text in Dutch and Latin, of the plants growing in van Beaumont's garden.Watercolours of 420 plants were prepared during the period 1686–1709 by a number of artists, mainly Johan and Maria Moninckx, with minor contributions from Helena Herolt and Alida Withoos.