Light Micrograph (LM) of a tranverse section of a stem of a Common (European) Ash tree (Fraxinus excelsior), magnification x30

color image travel photography travel destinations day indoors horizontal nature natural world botany tree trees abstracts patterns shapes backgrounds common ash european ash ash fraxinus excelsior magnification science light micrograph light micrographs detail details close up close ups micrograph micrographs photomicroscopy