Issues 47 (1999)-<48 (2000)> dropped season in the chronological designation.
Issues for fall 1985-winter 1986 have numeric designation v. 2, no. 3-v. 2, no. 4 but constitutes no. 7-no. 8.
Some issues combined.
Volume numbering dropped and the internal numbering continued, spring 1985-
Mode of access: World Wide Web.
Issues for Nov. 1984-summer 1988 published jointly by: the Herb Research Foundation, and the American Herbal Products Association; fall 1988/winter 1989-<2000> by: the American Botanical Council and the Herb Research Foundation.