PROTOPLASMA · 1975 · 42 citations · 6 references
Life SciencesPlant BiologyPlant SciencesPlant MorphologyPlant SystematicsPlant TaxonomyChloroplast StructureSeed AnatomySeed MorphologyPhloem Sieve ElementsSeed Morphology AnalysisSieve Element FunctionSieve Tube Elements
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Flowering Plants--Origin and Dispersal.
KENNETH R. SPORNE, Armen Takhtajan, Christopher S. Jeffrey · Journal of Ecology · 1970 · 1.2K citations
ON SPECIFIC SIEVE‐TUBE PLASTIDS IN CARYOPHYLLALES
H.‐D. Behnke, B. L. Turner · Taxon · 1971 · 43 citations