Modifiers matching grassland:

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

Simple categories matching temperate:

• genus,
• product,
• fruit,
• hardwood,
• legume,
• food,
• species,
• community,
• grass,
• vegetable,
• flora,
• zone,
• flower,
• cereal,
• tree,
• oilseed,
• country,
• area,
• plant,
• crop,
• organism,
• grain,
• grassland,