Creator
- Nature Conservancy (U.S.)6
- California. Department of Fish and Wildlife2
- National Atlas of the United States2
- U.S. Fish and Wildlife Service2
- UNEP executive series2
- Blackburn, Laura1
- Holland Ph.D., Robert F.1
- Holland, Ph.D., Robert F.1
- Istituto di ecologia applicata (Rome, Italy)1
- Lannoo, Michael J.1
- Nanjappa, Priya1
- Patuxent Wildlife Research Center1
- United States. Agricultural Research Service1