Review of Palaeobotany and Palynology · 1987 · 38 citations · 27 references
Life SciencesBotanyPlant SciencesPlant AnatomyPlant MorphologyPlant SystematicsFloral MorphologyFruit AnatomyPlant DescriptionWood AnatomyExine OrnamentationExine PatterningExine StratigraphyExine Structure AnalysisExine UltrastructureExocarp MorphologyFruit Floras
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J. S. Heslop‐Harrison · Science · 1968 · 309 citations
Pollen and Spores. Form and Function
S. J. Owens, Stephen Blackmore, I. K. Ferguson · Kew Bulletin · 1988 · 299 citations
The evolutionary significance of the exine
J.M. Pettitt · Review of Palaeobotany and Palynology · 1977 · 271 citations