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Photos 20 and 21. (20fl <br />buffer dominated by non <br />irrigation <br />the bank of the Mississippi. The grassy <br />es t 10-15 feet wide. (21): A pipe from the pivot <br />center of the field. <br />nd with sparse deciduous trees (1.76 ac) <br />As was mention li , it is likely that historical vegetation at the William H. Houlton <br />Conservation Area a matrix of oak savanna, prairie and floodplain forest. It is likely <br />that areas of the pr ie and savanna stretched all the way to the banks of the rivers in <br />some areas, with grasses and sedges growing up to and along the banks. Currently, a few <br />pockets of grassland with sparse trees and shrubs exist interspersed with the floodplain <br />forest areas. The largest of these pockets is located between the FF -2 and FF -3 subunits, in <br />what is an extension of one of the higher elevation areas of the farm field. This grassland is <br />dominated by Kentucky bluegrass, smooth brome, and few native grasses, sedges, and <br />forbs. Monarch butterflies were present on the milkweed plants around the edges. <br />However, there are also clumps of honeysuckle, buckthorn, red cedar, apple trees, and <br />other woody species present in the grassland. While it is likely that woody vegetation may <br />Friends of the Mississippi W.H. Houlton Conservation Area NRMP <br />Om <br />