Journal Article 059QF0KO0R Water Photosynthesis Research Support, Non-U.S. Gov't Achillea maritima Biomass Chlorophylls Coastal dunes Comparative Study Flowers Invasive species Invasiveness Leaf water potential Lutein Mediterranean-type ecosystems Na+ content Oenothera drummondii Photochemical efficiency Photosynthesis rate Pigments Published Erratum Research Support, U.S. Gov't, Non-P.H.S. Salt stress Soil Xanthophyll cycle coastal dune ecosystem groundwater table depth photosynthetic activity physiological responses