NCSU has an excellent website on using native plants in place of exotics, they call it "going native":
Going Native: Urban Landscaping for Wildlife with Native Plants
And NCSU Cooperative Extension has publications on promoting plants for pollinators:
this link is for the Chatham County extension, but it's close enough if you're in the greater Triangle area.
Pollinator Conservation Guide | North Carolina Cooperative Extension
good luck with your effort, I applaud it. I would do it too but the Grass Police in Cary would throw me in jail if I did something crazy like rip up my lawn....