CIL:40392 - http://cellimagelibrary.org/images/40392
Description: Scanning electron microscope image of Helianthus annuus (sunflower) stem epidermal surface, showing a trichome (finger-like projection) and a stomata (pore used for gas exchange). This image is part of a group on botanical stems (CIL:40378-40395).
Author: Louisa Howard
Licensing: Public Domain: This image is in the public domain and thus free of any copyright restrictions. However, as is the norm in scientific publishing and as a matter of courtesy, any user should credit the content provider for any public or private use of this image whenever possible.