Journal of the Arnold Arboretum · 1975 · 65 citations · 13 references
Life SciencesAnatomyBotanyPlant AnatomyPlant MorphologyPlant SystematicsEvolution Of Vascular PlantsFern AnatomyPhloem AnatomyPlant PhylogenyWood AnatomyXylem AnatomySystematic Wood AnatomyVascular Plant PhylogenyXylem Evolution
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Evolution and classification of flowering plants
Brittonia · 1979 · 1.8K citations
The Families of Flowering Plants
Charles B. Heiser, J. Hutchinson · AIBS Bulletin · 1960 · 1.2K citations
A Dictionary of the Flowering Plants and Ferns
David B. Lellinger, J. C. Willis, H. K. Airy Shaw · American Fern Journal · 1968 · 884 citations · Full text