Penn State University Libraries - Images

• Biodic - ultrastructural image gallery of over 1600 of electron micrographs.
  
  
• The Cell: An Image Library™ reviewed and annotated images, videos, and animations of cells from a variety of organisms, showcasing cell architecture, intracellular functionalities, and both normal and abnormal processes.
  
  
• Microbe Library images illustrating standard microbiology protocols, arranged by topic. A project of the American Society for Microbiology. 

• ARS/USDA image gallery a searchable gallery of animals, crops, fruits and vegetables, insects and lab work.
  
  
• Animal Science image gallery  images, animations, and video for classroom and outreach learning.
  
  
• IPMImages integrated pest management.
  
  
• Insect Images and Iowa State Entomology Image Gallery

  
  

• InvasiveImages of invasive and exotic species (plants, animals, insects, diseases).
  
  
• Plants image gallery USDA's photos and line drawings of U.S. plants (also contains many cultivated or foreign taxa.)
  
  
• Plant Picture pages from Aggie Horticulture includes seeds, interiorscape plants, herbacious perennials, greenhouse photos as well as Texas plants. 
  
  
• Wildflowers in bloom from Aggie Horticulture has an index by common name, scientific name, and a browseable photo gallery.
  
  
• Forestry images

• Butterflies and Moths of North America
  
  
• NBII LIFE - Library of Images From the Environment - animals, plants, fungi, microorganisms, landscapes, and weather.

Also see the Libraries research guide for general images and the Free Media Library from Penn State'sMediaCommons