1. 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.
2. Penobscot Experimental Forest boundary, roads, trails, management units, and permanent sample plot locations (2nd Edition)
- Kenefic, Liam F.; Muñoz Delgado, Bethany L.; Rogers, Nicole S.; Richley, Andrew R.