كتب ذات صلة

The nest biology of the bees : Andrena (Melandrena) regularis Malloch and Andrena (Melandrena) carlini Cockerell (Hymenoptera: Andrenidae)

• A survey of the freshwater mussels (Bivalvia: Unionidae) of the Sangamon River Basin, Illinois
  المؤلفون: Schanzle, Robert W. ,  Cummings, Kevin S.
• The Stephen A. Forbes collections at the Illinois Natural History Survey, 1858-1994 : Annual report 1994.
  المؤلفون: Forbes, Stephen Alfred
• Some unusual natural areas in Illinois
  المؤلفون: Page, Lawrence M. ,  Evers, Robert A.