Modifiers matching vegetation:

• leafy,
• dense,
• natural,
• larger,
• unwanted,
• seasoned,
• woody,
• native,
• valuable,
• thin,
• strong,
• flammable,
• marginal,
• thick,
• tall,
• deciduous,
• unique,
• open,
• tropical,
• aquatic,
• rough,
• dead,
• old,
• mixed,
• combustible,
• permanent,
• sensitive,
• low,
• unusual,
• actual,
• tender,
• terrestrial,
• undesirable,
• surrounding,
• healthy,
• succulent,
• heavy,
• long,
• desirable,
• coastal,
• upland,
• round,
• higher,
• homogenous,
• artificial,

Simple categories matching upland:

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