@article{e5a652de71dd4a1cbdb3b099d7f85307,
title = "Ultrastructural interpretation of the Late Cretaceous megaspore Glomerisporites pupus and its associated microspores",
keywords = "Cretaceous, evolution, megaspores, microspores, morphology, ultrastructure, water ferns",
author = "Batten, \{D J\} and Collinson, \{M E\} and Brain, \{A P R\}",
year = "1998",
month = may,
language = "English",
volume = "85",
pages = "724--735",
journal = "American Journal of Botany",
issn = "1537-2197",
publisher = "John Wiley \& Sons Inc.",
number = "5",
}