American Journal of Botany · 1941 · 43 citations · 8 references
Life SciencesBotanyPlant BiologyPlant AnatomyPlant EvolutionPlant MorphologyBryophyte SystematicsEvolution Of Vascular PlantsMorphological PhylogeneticsPhloem AnatomyPhloem TransportPlant PhylogenyPhloem ArchitecturePhloem OrganizationPhloem Ultrastructure
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The Families of Flowering Plants
Charles B. Heiser, J. Hutchinson · AIBS Bulletin · 1960 · 1.2K citations
Development and structure of the phloem tissue. II
Katherine Esau · The Botanical Review · 1950 · 139 citations
Development and structure of the phloem tissue
Katherine Esau · The Botanical Review · 1939 · 118 citations