Changing evidence for prehistoric plant use in Pennsylvania / Sunflower in the Seneca Iroquois region of western New York / Dating Roundtop's domesticates / Corncobs and buttercups / New data on the chronology of maize horticulture in eastern New York and southern New England / Prehistoric use of plant foods on Long Island and Block Island sounds / Chenopodium in Connecticut prehistory / Changing strategies in the pre- and post-contact subsistence systems of southern New England / Mobile farmers of pre-contact southern New England / Paleogeographic changes in wetland and upland environments in the Milford Drainage Basin of central Maine in relation to Holocene human settlement history / Prehistoric plant use in Maine / Northeastern paleoethnobotany