(MD) (Montgomery Parks) Save the trees and Celebrate National Invasive Species Awareness Week! Join Ellen, Weed Warrior Supervisor, for a non-native, invasive plant removal workday. We will focus on non-native, invasive vines and shrubs, including porcelainberry (Ampelopsis glandulosa var. brevipedunculata), wintercreeper (Euonymus fortunei), English ivy (Hedera helix), Oriental bittersweet (Celastrus orbiculatus), and bush honeysuckle (mainly Lonicera maackii).