English Thorne system Cited by user Michael Goodyear on 04 Jan 2016 A system of plant taxonomy, the Thorne system of plant classification was devised by the American botanist Robert F.
English Robert Folger Thorne Cited by user Michael Goodyear on 04 Jan 2016 Dr. Robert F. Thorne (July 13, 1920 - March 24 2015) was an American botanist. He was Taxonomist and Curator Emeritus at Rancho Santa Ana Botanic Garden and Professor…