Modifiers matching genus:

• woody,
• coniferous,
• enteric,
• native,
• eukaryotic,
• large,
• evergreen,
• succulent,
• ornamental,
• pathogenic,
• common,
• temperate,
• leguminous,
• poisonous,
• alien,
• deciduous,
• model,
• single,
• herbaceous,
• important,
• aquatic,
• narcotic,
• solanaceous,
• valuable,
• invasive,
• intestinal,
• tropical,
• related,
• bacterial,
• diverse,

Simple categories matching alien:

• race,
• hero,
• pest,
• being,
• person,
• species,
• grass,
• substance,
• plant,
• shrub,
• relative,
• beast,
• material,
• animal,
• tree,
• entity,
• genus,