The Lady Bird Johnson Wildflower Center at the University of Texas at Austin for native plant selection and identification ( a national database) that has special collections for native bees that can be searched by state. http://www.wildflower.org/collections/. Scroll down to the section labelled ” Value for Beneficial Insects”
For local ( Massachusetts native plants ) the Massachusetts Wildflower Society and their Nasami Farm Nursery and Garden shop http://www.newenglandwild.org/.
A you tube video of a Bumblebee Buzz-Pollinating a flower. The last three flowers on the video are pepper, eggplant and tomato flowers “beeing” Buzzed-Pollinated by a sonicating bumblebee . https://www.youtube.com/watch?v=rMvQSx2429U
An hour long video by a professional with the Xerces Society discussing pollinator conservation. http://www.grownativemass.org/programs/eveswexperts/kgill IMHO the person presenting has excellent presentation skills and makes it entertaining.