iMapInvasives Training and Invasives Walk at Thacher Park from 9:30 a.m. – 2:00 p.m. Learn how to monitor and report invasive species locations and enter them into New York’s invasive species database. Training includes an introduction to invasives, identification basics, and practice outdoors. Please register at http://www.nyimapinvasives.org/thacher-park-imap-training-registra.