@article {1004, title = {Hypericum maculatum Crantz subsp. maculatum x H. perforatum L. (Hypericaceae): corroboration of natural hybridization by secondary metabolite analysis.}, journal = {Folia Geobot. Phytotax.}, volume = {31}, number = {part 2}, year = {1996}, note = {EnChromosome numbers, Chemotaxonomy. Geog=0KBD, Royal Botanic Gardens, Kew.}, pages = {245-250 (1996) -}, keywords = {Systematics: ANGIOSPERMAE GUTTIFERAE: HYPERICUM}, author = {Martonfi, P and Repcak, M and Mihokova, L} }