Which forest type is widely distributed throughout Regions $2,3,$ and $4$ in the state on fertile, upland soils

mesic deciduous south $($maple beech$)$

wetland hardwoods $($elm$-$ash$-$cottonwood$)$

northern conifer wetlands

barrens and savannas

relict conifer swamps

oak

pine

aspen

mesic deciduous, north

boreal