Review of Palaeobotany and Palynology · 2008 · 60 citations · 33 references
Life SciencesBotanyPlant BiologyPlant AnatomyPlant HistologyPlant MorphologyFloral MorphologyPollen BiologyPollen MorphologyPollen Tube GrowthPollen Wall StructureComparative Pollen MorphologyPollen Grain MorphologyPollen Shape AnalysisPollen SystematicsPollen Wall Ultrastructure
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Glossary of pollen and spore terminology
W. Punt, P.P. Hoen, Stephen Blackmore et al. · Review of Palaeobotany and Palynology · 2006 · 2.5K citations
Pollen Morphology and Plant Taxonomy
G. Erdtman · Soil Science · 1953 · 440 citations
Jay B. Walker, Kenneth J. Sytsma, Jens Treutlein et al. · American Journal of Botany · 2004 · 393 citations
The evolutionary significance of the exine
J.M. Pettitt · Review of Palaeobotany and Palynology · 1977 · 271 citations