Bug Eric: Spider Sunday: Western Spotted Orbweaver
Feb 12, 2012 . This is by far the most common orb weaver I encountered while I lived . the genus Neoscona that can be found in eastern North America, too.
http://bugeric.blogspot.com/2012/02/spider-sunday-western-spotted-orbweaver.html

Pegasus Pest Control - Spiders
There are approximately 2500 species of Orb Weaver spiders in North America. They vary widely in appearance. The best identifiable characteristic is their web.
http://www.pegasuspest.com/spiders.php

Spiders of North America
Orb Weavers - Family Araneidae is a huge family of spiders, with 3500 species worldwide, 180 of which call North America home. These spiders vary greatly in .
http://www.cirrusimage.com/spider.htm

Orb Weaver Spiders - Family Araneidae - Insects - About.com
Orb weaver spiders live throughout the world, with the exceptions of the Arctic and Antarctic regions. In North America, there are approximately 180 species of .
http://insects.about.com/od/spiders/p/Araneidae.htm

spinybacked orbweaver spider - Gasteracantha cancriformis ...
Although not as large as some of the other common orb weavers (e.g.; Argiope, Levi 1968; Neoscona, . Spiders of the Georgia region of North America. Bulletin .
http://entnemdept.ufl.edu/creatures/beneficial/g_cancriformis.htm