North American Pollinator Protection Campaign (http://pollinator.org/nappc//index.html)
The Pollinator Partnership (http://www.pollinator.org)
The Xerces Society (http://www.xerces.org/pollinator-conservation/)
Monarch Watch (http://www.monarchwatch.org)
Make Way for Monarchs (http://makewayformonarchs.org/i/)
Bat Conservation International (http://www.batcon.org)
Center for Plant Conservation (http://www.centerforplantconservation.org/)
IUCN World Conservation Union (http://www.iucn.org/)
Center for Biological Diversity (http://www.biologicaldiversity.org/)
Plant Conservation Alliance (http://www.nps.gov/plants/)
United States Botanic Garden (http://www.usbg.gov/plant-conservation)
Lady Bird Johnson Wildflower Center (http://www.wildflower.org/organizations/)
The Smithsonian National Museum of Natural History Department of Botany (http://botany.si.edu/)
USFWS Endangered Species Information Gateway (http://fws.gov/endangered)
Missouri Botanical Garden (http://www.missouribotanicalgarden.org/)
Canadian Botanical Conservation Network (http://www.bgci.org/canada/Canadian_botanical_couser/)
Society for Conservation Biology (http://conbio.org/)