Review of Palaeobotany and Palynology · 2015 · 15 citations · 16 references
Life SciencesBotanyPlant SciencesPlant AnatomyPlant SystematicsPlant TaxonomySpore BiologySpore MorphologySpore Wall StructureSporangial Wall StructureSporangium StructureSpore UltrastructureSpore Wall DevelopmentSpore Wall MorphologySpore Wall UltrastructureUltrastructural Spore Morphology
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R. E. Holttum, R. M. Tryon, Alice F. Tryon · Kew Bulletin · 1984 · 774 citations
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Neotropical Lycopodiaceae-An Overview
Benjamin Øllgaard · Annals of the Missouri Botanical Garden · 1992 · 71 citations · Full text