References
Robson, N.K.B. 1990. Studies in the genus Hypericum L. (Guttiferae). 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys. Bull. Nat. Hist. Mus. Lond. (Bot.) 20: 1-151. Google Scholar
Robson, N.K.B. 1990. Studies in the genus Hypericum L. (Guttiferae). 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys. Bull. Nat. Hist. Mus. Lond. (Bot.) 20: 1-151. Google Scholar