TY - JOUR T1 - Interspecific hybridization between Hypericum graveolens and H. mitchellianum. JF - Castanea Y1 - 1981 A1 - Culwell, DE SP - 323 EP - 333 (1981) KW - Systematics: ANGIOSPERMAE HYPERICACEAE: HYPERICUM VL - 46 N1 - EnMaps. Geog=3KBD, Royal Botanic Gardens, Kew. ER -