TY - JOUR T1 - Hypericum maculatum Crantz subsp. maculatum x H. perforatum L. (Hypericaceae): corroboration of natural hybridization by secondary metabolite analysis. JF - Folia Geobot. Phytotax. Y1 - 1996 A1 - Martonfi, P A1 - Repcak, M A1 - Mihokova, L SP - 245 EP - 250 (1996) KW - Systematics: ANGIOSPERMAE GUTTIFERAE: HYPERICUM VL - 31 N1 - EnChromosome numbers, Chemotaxonomy. Geog=0KBD, Royal Botanic Gardens, Kew. ER -