@article{e7efe3dc2c3849bd9c96a8605da5ef40,
title = "A new species of the freshwater fern Azolla (Azollaceae) from the Eocene Arctic Ocean",
keywords = "Arctic Ocean, Azolla, Eocene, megaspores, microspore massulae, Palynology, ultrastructure, PALEOCENE, MICROFOSSILS, MEGASPORE, RECORD",
author = "Collinson, \{Margaret E.\} and Judith Barke and \{van der Burgh\}, Johan and \{van Konijnenburg-van Cittert\}, \{Johanna H. A.\}",
year = "2009",
month = may,
doi = "10.1016/j.revpalbo.2008.12.014",
language = "English",
volume = "155",
pages = "114",
journal = "Review of Palaeobotany and Palynology",
publisher = "Elsevier B.V.",
number = "1-2",
}