Modifiers matching grassland:

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

Simple categories matching upland:

• community,
• crop,
• bird,
• mammal,
• game,
• location,
• vegetation,
• cover,
• shrub,
• site,
• grassland,
• area,
• wader,
• passerine,
• development,
• space,
• feature,
• raptor,
• species,