[2] Beginning his working life as a gardener's apprentice near Heidelberg, he became one of the most influential European botanical artists of all time.

Together at the Clifford estate, Hartecamp, which is located south of Haarlem in Heemstede near Bennebroek, they produced Hortus Cliffortianus in 1738, a masterpiece of early botanical literature.

"While he did not slavishly imitate what he saw, neither did he allow his feeling for the color and design of flowers distract him from the fundamentals of plant structure," Wilfrid Blunt observed in The Art of Botanical Illustration.

[5] Ehret's original art work may be found at the Natural History Museum in London, the Royal Botanic Gardens, Kew, The Royal Society, London, the Lindley Library at the Royal Horticultural Society, the Victoria and Albert Museum, at the University Library of Erlangen, the LuEsther T. Mertz Library of the New York Botanical Garden, and the Hunt Institute for Botanical Documentation in Pittsburgh, Pennsylvania.

A memoir of Georg Dionysius Ehret, written by himself Proceedings of the Linnean Society, London, November 1984 to June 1985.