Modifiers matching weed:

• perennial,
• emergent,
• annual,
• broadleaf,
• rare,
• regular,
• common,
• arable,
• invasive,
• aquatic,

Simple categories matching perennial:

• group,
• plant,
• host,
• veggie,
• herb,
• fruit,
• grass,
• ornamental,
• tree,
• crop,
• species,
• vegetable,
• weed,
• seed,
• pasture,
• legume,
• antigen,
• vine,
• wildflower,
• shrub,
• flower,
• river,
• allergen,
• forage,
• clover,
• pest,
• bunchgrass,
• issue,
• planting,
• native,