The followinng report has a discussion about looking for plants to help
locate and orientate archaeological sites. It includes lilacs, roses, day
lilies, morning glories, hydrangeas, periwinkle & "front yard trees" like
sugar maples near house foundations, and thistles, burdock and nettles
over barnyards & dumps. It also discusses tree blazes and wooden property
markers. I believe it is available from the Office of the Vermont State
Archaeologist.

Vermont Agency of Natural Resources
1994    Stonewalls & Cellarholes: A Guide for Landowners on Historic Features
        and Landscapes in Vermont's Forests. Vermont Forest Stewardship
        Program, Report #194-VGA

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Margo Muhl Davis
PhD candidate
Department of Archaeology
Boston University