@article {6233, title = {The Response of Understory Herbs to Soil Depth Gradients in High and Low Diversity Communities}, journal = {Bulletin of the Torrey Botanical Club}, volume = {103}, year = {1976}, month = {July/August}, pages = {165-172}, keywords = {Forests, Hardwood forests, Porters Flat, Soils}, author = {Susan Power Bratton} }