Meadows may fill shallow basins, sloughs, or farmland sags, or may border shallow marshes on the landward side. Inland shallow fresh marshes in which soil is usually waterlogged early during the growing season and often covered with as much as six inches or more of water. Vegetation includes grasses, bulrushes, spike rushes, and various other marsh plants such as cattails, arrowheads, pickerelweed, and smartweeds. These marshes may nearly fill shallow lake basins or sloughs, or may border deep marches on the landward side and are also common as seep areas on irrigated lands. Inland deep fresh marshes in which soil is usually covered with six inches to three feet or more of water during the growing season.
Vegetation includes cattails, reeds, bulrushes, spike rushes, and wild rice.
In open area, pondweeds, naiads, Conrail, water milfoil, waterbeds, duckweed, water lilies, or spatterdock may occur. These deep marshes may completely fill shallow lake basins, potholes, limestone sinks, and sloughs, or may border open water in such depressions. Type 5 wetland Inland open fresh water, shallow ponds, and reservoirs in which water is usually less than ten feet deep and is fringed by a border of emergent vegetation similar to open areas of type 4 wetland. Vegetation includes alders, willows, buttonbush, dogwoods, and swamp privet. This type occurs mostly along sluggish streams and occasionally on floodplains.