Scanning electron microscope image of sunflower lower leaf surface. Note the stomata (pore used for gas exchange) near the center of the image. This is part of an image series containing images CIL:39341-39343, and 39345.
Instrument: FEI XL-30 FEG ESEM. Technical protocol available at http://remf.dartmouth.edu:8080/EM-Wiki/36