Alta Chapter of the North American Butterfly Association http://www.naba.org/Chapters/Nabaac/index.html
Flowers Across Melbourne. We are online florists and serve throughout Melbourne.
We are passionate about flowers and as such we would like to educate people about flowers and [butterfly] gardening.
https://blog.flowersacrossmelbourne.com.au/guide-to-butterfly-garden/
The Butterfly Website http://butterflywebsite.com/gardens/index.cfm
Bug Guide. net http://bugguide.net/node/view/15740
Butterflies in bloom http://aggie-horticulture.tamu.edu/plantanswers/butterflies/butterflyname.html
Florida Butterfly Gardening http://www.afn.org/~afn10853/butterfly.htm
Monarch Watch Organization http://www.monarchwatch.org/waystations/index.html
North American Butterfly Association http://www.naba.org/ What’s That Bug http://whatsthatbug.com/ 
The NEW Nick Bodven Butterfly Blog,
and what is happening to our world of butterflies in the area around Ft. Myers, Florida.
http://nickiebodv.blogspot.com/
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Here are some favorite books used in the Crooked Garden:
Pamela F. Traas
ISBN: 0-8200-0420-0
Jeffrey Glassberg
ISBN: 0-19-511249-0
Thomas J. Allen
ISBN: 0-19-514987-4
Thomas C. Emmel
ISBN: 0-911977-15-5