Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock photos

"Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1559px, 2600 x 2534px, 4572 x 4456px. The minimum price for an image is 49$. Image in the highest quality is 4572 x 4456px, 300 dpi, and costs 449$.