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Arizona Native Plant Society Tucson Cactus and Succulent Society Native Seed Search Arizona Sonora Desert Museum Kino Heritage Fruit Tree Project Sky Island Alliance Friends of Sabino Canyon Friends of Oracle State Park Friends of Madera Canyon University of Arizona Herbarium University of Arizona Desert Laboratory Wildflowers of Tucson SEINET Native Plant Database Plants for the Southwest Tucson Herpetological Society Sonoran Arthropod Studies Institute Tucson Audubon Society Drylands Institute Southeast Arizona Butterfly Association The Bee Works – Steve Buchmann Moths of Southeast Arizona Bug Guide – Eric Eaton Brad Lancaster – Rainwater Harvesting Charlie Kane – Tucson Clinic of Botanical Medicine Watershed Management Group Sonoran Permaculture Guild Erik Enderson – Arizona&Sonora Fauna/Flora Photograph Gallery Sonoran Desert Weedwackers Oracle Land Trust Center for Biological Diversity Nature Conservancy in Arizona
