Missouri Botanical Garden

http://www.missouribotanicalgarden.org/

Shaw Nature Reserve

http://www.missouribotanicalgarden.org/visit/family-of-attractions/shaw-nature-reserve.aspx

Missouri Botanical Garden Plant Finder

http://www.missouribotanicalgarden.org/

Grow Native

http://grownative.org/

Missouri Prairie Foundation

http://www.moprairie.org/

Pollinator Partnership

http://www.pollinator.org/

Million Pollinator Garden Challenge

http://pollinator.org/million-pollinator-garden-challenge.htm

University of Missouri Extension Center – Franklin County

http://extension.missouri.edu/franklin/

University of Missouri Extension Lawn & Garden Articles

http://extension.missouri.edu/main/DisplayCategory.aspx?C=2

USDA Plants Database

http://plants.usda.gov/java/

Missouri River Bird Observatory

http://mrbo.org/

St. Louis Water Gardening Society

http://www.saintlouiswatergardeningsociety.org/

National Wildlife Federation

http://www.nwf.org/

The St. Louis Herb Society

http://stlouisherbsociety.com/

About Flowers

http://www.aboutflowers.com/

Monrovia Nursery

http://www.monrovia.com/

Belgard Hardscapes

http://www.belgard.com/

My Garden Guide

http://mygardenguide.com/index.php?option=com_frontpage&Itemid=1

Plants for Birds

http://www.audubon.org/plantsforbirds