View source for Reference:Robson1977a


		{{Reference
		| entryid=robson1977a
		| titleid=Reference:robson1977a
		| checksum=8a2b7466ea2206fba5ecede5cded924b
    		| verbatimtext=Robson, N. K. B. 1977. Studies in the genus Hypericum L. (Guttiferae) 1. Infrageneric classification. Bull. Brit. Mus. (Nat. Hist.), Bot. 5: 283–355.
    
		| author=Robson, N.K.B.
    		| year=1977
    		| title=Studies in the genus Hypericum L. (Guttiferae) 1. Infrageneric classification
    		| journal=Bull. Brit. Mus. (Nat. Hist.), Bot
    		| volume=5
    		| pages=283–355
    
  
		}}