Come to May's Café this Sunday and enjoy a cup of coffee, then stay a while to meet some of the members of Herrontown Woods' Invasive Species of the Month Club, and if you like, join them in harvesting native wildflower seeds in the BArden. Then, following May's Cafe at noon, join botanist and HW President Steve Hiltner on a hour long early fall hike, with emphasis on invasive species discussion.