@article {988, title = {Le piante endemiche della Sardegna: 199.}, journal = {Boll. Soc. Sarda Sci. Nat.}, volume = {28}, year = {1991}, note = {ItIcones, Maps, Chromosome numbers Geog=1KBD, Royal Botanic Gardens, Kew.}, pages = {311-316 (1990-1991 publ. 1991) - illus.}, keywords = {Systematics: ANGIOSPERMAE GUTTIFERAE: HYPERICUM}, author = {Arrigoni, PV} } @article {872, title = {Ad floram italicam notulae taxonomicae et geobotanicae: 12. Nuove stazioni di Hypericum annulatum Moris e Ribes multiflorum Kit. ssp. sandalioticum Arrig. in Sardegna.}, journal = {Webbia}, volume = {28}, number = {part 2}, year = {1973}, note = {Summary languages(s): EnMap Geog=1KBD, Royal Botanic Gardens, Kew.}, pages = {423-425 (1973)}, keywords = {Systematics: ANGIOSPERMAE GROSSULARIACEAE: RIBES}, author = {Arrigoni, PV and Corrias, B and Corrias, SD and Nardi, E and Valsecchi, F} }