8 citations as recorded by crossref.

1. Late cretaceous megaspores from southern Sweden: Morphology and paleoenvironmental significance E. Koppelhus & D. Batten 10.1080/01916122.1989.9989357
2. Taxonomic implications of exospore structure in selected Mesozoic lycopsid megaspores D. Batten 10.1080/01916122.2011.642122
3. Megaspores and Palynomorphs from the Lower Potomac Group of Maryland, U.S.A. R. Lupia 10.1086/383332
4. Late Cretaceous plant mesofossils from Table Nunatak, Antarctica H. Eklund et al. 10.1016/j.cretres.2003.11.004
5. Mid-Cretaceous megaspore floras from Maryland, USA R. Lupia 10.1017/jpa.2015.21
6. Megaspores from the Lower Jurassic (Pliensbachian) Rotzo Formation (Monti Lessini, northern Italy) and their palaeoenvironmental implications M. Neri et al. 10.1007/s12549-017-0314-z
7. The Eco-Plant model and its implication on Mesozoic dispersed sporomorphs for Bryophytes, Pteridophytes, and Gymnosperms J. Zhang et al. 10.1016/j.revpalbo.2021.104503
8. Late Triassic megaspores from the Amery Group, Prince Charles Mountains, East Antarctica D. CANTRILL & A. DRINNAN 10.1080/03115518.1994.9638765