All content of Opuscula 12 (2019) is available with open access. Printed edition distributed by Eddy.se AB. Also available at Amazon.com, Adlibris, and Bokus. View volume at ERIH PLUS. Trees and shrubs in the sanctuary. Wood charcoal analysis at the Sanctuary of Poseidon at Kalaureia, Poros By Maria Ntinou (Aristotle University of Thessaloniki, Greece) Abstract Wood charcoal analysis at the Sanctuary of Poseidon at Kalaureia, Poros aims to provide information on the vegetation of the area and its management and on the range of plants used in the activities taking place at the sanctuary. During the excavations of 2003–2005 in Areas D and C, systematic samples from fills and features from all the excavated strata were recovered and water flotation was used for the separation of wood charcoal from the sediment. Wood charcoal was found in two pits dated to the Early Iron Age, near the supposed altar of the Archaic period (Feature 05), in a deposit of the Hellenistic period (the “dining deposit”), in floor deposits (Early Iron Age and Late Classical/Early Hellenistic periods), and fills of different chrono-cultural periods (Archaic–Early Roman). All the taxa identified in the wood charcoal assemblages are thermophilous Mediterranean elements, most of them evergreen…