DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Grass infected with choke disease fungus. Light micrograph of a section through a grass (family Poaceae) stem infected with a parasitic Epichloe sp. fungus - the causative agent of choke disease. Magnification: x13 when printed 10 centimetres wide.
Model release not required. Property release not required.