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Bayer Codes for Pests - NSF Center for Integrated
Pest Management
http://www.cipm.info/names/index.cfm
ITIS - Integrated Taxonomic Information System
http://www.itis.gov/index.html
Natural Resources Conservation Service Plants
Database - USDA
http://plants.usda.gov/index.html
WISFLORA: Wisconsin Vascluar Plant Species - Wisconsin
State Herbariium
http://www.botany.wisc.edu/wisflora/
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