823-506 - Light Micrograph (LM) of a transverse section of a stem showing vascular bundle, cortex and epidermis of Jerusalem artichoke (Helianthus tuberosus), magnification x 600
823-533 - Light Micrograph (LM) of a longitudinal section showing xylem elements of old sunflower stem (Helianthus sp.) showing spiral chloroplasts, magnification x1200
823-492 - Light Micrograph (LM) of the cellular structure of the non-vascular plant liverwort (Hepatica) showing chloroplasts and oil bodies, magnification x1200