Verbatim text: Robson, N. K. B. 2001. Studies in the genus Hypericum L. (Guttiferae) 4(1). Sections 7. Roscyna to 9. Hypericum sensu lato (part 1). Bull. Nat. Hist. Mus. London, Bot. 31: 37–88.
Author: Robson, N.K.B.
Year: 2001
Title: Studies in the genus Hypericum L. (Guttiferae) 4(1). Sections 7. Roscyna to 9. Hypericum sensu lato (part 1)
Journal: Bull. Nat. Hist. Mus. London, Bot.
Volume: 31
Pages: 37–88