1898 26 219 Mr Walter Hough discusses ‘The environmental interrelations in Arizona’ from the standpoint of an ethno-botanist.
1955 3 Aug. 7/4 Its distinguished American ethnobotanist.
2006 30 Sept. 45/1 Daniel Siebert, an independent ethnobotanist from Los Angeles, distilled the plant's juices to produce white, needle-shaped crystals.