alkali flat
alluvial plain
basin
bottomland
bushveld
campo
champaign
champaign country
coastal plain
delta
desert
down
downs
fell
flat
flat country
flatland
flats
grass
grass veld
grassland
grazing
haugh
haughland
heath
lande
lea
level
llano
lowland
lowlands
lunar mare
mare
mead
meadow
meadow land
mesa
mesilla
moor
moorland
open country
pampa
park
pasturage
pasture
pasture land
peneplain
plain
plains
plateau