Photo de stock - Light Micrograph (LM): transverse section shows Sclerenchyma Ground Tissue in Helianthus stem (Helianthus sp). Magnification x1200 (on 10.5 cm width print). David Spears (Last Refuge) / ardea.com.

Photo de stock: Light Micrograph (LM): transverse section shows Sclerenchyma Ground Tissue in Helianthus stem (Helianthus sp). Magnification x1200 (on 10.

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