Modifiers matching weed:

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

Simple categories matching invasive:

• procedure,
• plant,
• surgery,
• therapy,
• aspergillosis,
• mammal,
• test,
• disease,
• infection,
• microbe,
• system,
• mycosis,
• vine,
• pathogen,
• software,
• pest,
• tumor,
• herb,
• species,
• organism,
• measure,
• activity,
• treatment,
• work,
• predator,
• method,
• shrub,
• service,
• tree,
• fish,
• illness,
• practice,
• electrode,
• condition,
• device,
• process,
• bird,
• matrix,
• item,
• program,
• fauna,
• genus,
• care,
• nature,
• event,
• weed,
• testing,
• operation,
• parasite,
• support,
• pathology,
• ant,
• study,
• biopsy,
• instrument,
• microorganism,
• herbivore,
• sage,
• intervention,
• modality,
• malignancy,
• option,
• agent,
• grass,
• entity,
• animal,
• annual,
• candidiasis,
• flora,
• tool,
• bush,
• disorder,
• vertebrate,
• bacteria,
• insect,
• cancer,
• mussel,
• action,
• equipment,
• characteristic,
• devices,
• investigation,
• operations,