Newton County School System. The Newton County Schools System is a public school district in Newton County, Georgia, United States, based in Covington. It serves the communities of Covington, Mansfield, Newborn, Oxford, Porterdale, and Social Circle. 1 Schools 1.1 Elementary schools.
1 Leafy liverworts have leaves. 2  Thalloid liverworts do not have leaves â they are sheets of cells. 3  If they are thick and have internal air spaces with pores to the outside, they are called complex thalloid liverworts. 4  If they are thin and have no air spaces or pores, they are called simple thalloid liverworts.ifferences between leafy liverworts and mosses. It is easy to confuse leafy liverworts with mosses. There are a number of ways to tell the difference between the two: 1  Liverwort leaves are lined up in straight rows, never have midribs, and are often lobed.
Marchantia polymorpha, sometimes known as the common liverwort or umbrella liverwort, is a large liverwort with a wide distribution around the world. It is variable in appearance and has several subspecies.t is a thallose liverwort which forms a rosette of flattened thalli with forked branches. The thalli grow up to 10 cm long with a width of up to 2 cm.