1. Long-term plant invasion in disturbed and undisturbed forests: species richness, frequency, and abundance
- Huebner, Cynthia D.
2. Understory vegetation and site condition data from the "Nonnative Invasive Plants" study at the Penobscot Experimental Forest
- Olson, Elizabeth K.; Kenefic, Laura S.; Zukswert, Jenna M.; Langley, CJ M.; Dibble, Alison C.; Muñoz Delgado, Bethany L.