Category Nuances matching grassland:

• natural,
• arid,
• open,
• upland,
• rough,
• temperate,
• agricultural,
• wet,

Members for simple category grassland:

• savanna,
• wet_meadow,
• prairie,
• meadow,
• forest,
• american_prairie,
• mesic_prairie,
• wet_grassland,
• african_veldt,
• range,
• hayfield,
• pasture,
• temperate_grassland,
• north-american_prairie,
• hay_meadow,
• chalk_grassland,
• mountain_meadow,