collection
- Ant Distribution and Abundance in New England 1990-2014. HF147
- Chronic Nitrogen Amendment Experiment at Harvard Forest since 1988. HF008
- Inorganic Nitrogen Pools and Tree Composition in Hemlock Removal Experiment at Harvard Forest 2007-2009. HF179
- Northern Range Limit of Aphaenogaster picea in Maine 2015. HF323