![File:Herbaceous Dicot Stem Vascular Bundles in Older Helianthus (23669988488).jpg - Wikimedia Commons File:Herbaceous Dicot Stem Vascular Bundles in Older Helianthus (23669988488).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/7a/Herbaceous_Dicot_Stem_Vascular_Bundles_in_Older_Helianthus_%2823669988488%29.jpg)
File:Herbaceous Dicot Stem Vascular Bundles in Older Helianthus (23669988488).jpg - Wikimedia Commons
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Helianthus annuus (Common sunflower) - Helianthus - Asteraceae (Compositae) - Magnoliopsida (Dicotyledons) - Magnoliophyta (Angiospermae) - Plant histology - Photos
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Helianthus, Old Stem – Cross Section & Longitudinal Section – Prepared Microscope Slide – 75x25mm | KLM Bio Scientific
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