Silva, A.Brotas, VandaOrive, E.Neto, Ana I.2011-07-272011-07-272010-08-23Silva, A., Brotas, V., Orive, E., Neto, Ana I. (2010). “First records of Ostreopsis heptagona, O. cf. siamensis and O. cf. ovata – in the Azores archipelago, Portugal”. «Harmful Algae News», 42: 1-2. ISSN: 1020-2706.http://hdl.handle.net/10400.3/1200Copyright © 2010 IOC HAB Programme.During summer 2008, surveys were carried out around São Miguel island in the Azores archipelago (36–39ºN, 25–31ºW). [...]. Species of Ostreopsis were morphologically characterized with an Olympus BX50 equipped with epifluorescence, following Penna et al. [...].engOstreopsisSão Miguel Island (Azores)First records of Ostreopsis heptagona, O. cf. siamensis and O. cf. ovata – in the Azores archipelago, Portugalperiodical2011-06-29