Modifiers matching grass:

• native,
• weather,
• annual,
• nonwoody,
• domestic,
• new,
• artificial,
• perennial,
• herbaceous,
• tropical,
• weedy,
• important,
• short,
• model,
• tall,
• unwanted,
• commercial,
• familiar,
• exotic,
• alien,
• underwater,
• woody,
• ornamental,
• natural,
• common,
• nonnative,
• terrestrial,
• sized,
• useful,
• favorite,
• local,
• aromatic,
• wild,
• domesticated,
• small,
• nutritious,
• fine,
• soft,
• desirable,
• agricultural,
• dried,
• tiny,
• dry,
• temperate,
• low,
• susceptible,
• related,
• foreign,
• european,
• invasive,
• aggressive,
• smaller,
• coarse,
• tough,
• monocotyledonous,
• light,
• sensitive,
• out,
• subtropical,
• larger,
• tolerant,
• decorative,
• edible,
• large,
• hard,
• thick,
• indigenous,

Simple categories matching nonnative:

• pest,
• pet,
• grass,
• animal,
• shrub,
• annual,
• vertebrate,
• species,
• predator,
• ungulate,
• insect,
• mammal,
• plant,
• fish,
• treaty,
• bird,
• tree,
• flower,
• organism,
• host,