The guide provides a detailed the native plants of New York that are crucial for supporting native specialist bees; including, where the region or habitat the plant occurs naturally, date of bloom, color of bloom, plant structure, how to obtain seeds...

This guide is applicable to other states and is a good framework for those interested in creating pollinator habitat. 

Pollination – the transfer of pollen from a male anther to a female stigma – is basic to the sexual reproduction of flowering...