Preview Light Micrograph (LM) of a transverse section showing vascular bundle in Helianthus stem, magnification x 300 Image ID: 823-505 Artist: Last Refuge Purchase a commercial license Buy framed prints & more from our print store color image travel photography travel destinations day indoors abstracts nature natural world botany detail details close up close ups red backgrounds light micrograph light micrographs science magnification helianthus sunflower vertical blue micrograph micrographs photomicroscopy