Fig. 1From: Understory upheaval: factors influencing Japanese stiltgrass invasion in forestlands of Tennessee, United StatesPresence (black dots) and absence (gray dots) of Japanese stiltgrass in forested plots sampled in Tennessee in surveys conducted a 2000–2005 and b 2006–2011 as part of the Forest Inventory and Analysis Program of the U.S. Forest ServiceBack to article page