1. Submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways
   - hydrilla

Type of: aquatic plant, hydrophyte, hydrophytic plant, water plant

Part of: genus Hydrilla

Encyclopedia: Hydrilla verticillata

• Regalecus glesne
• regalement
• regalia
• regality
• regally
• regard
• regard as
• regardant
• regarder
• regardful
• regarding
• regardless
• regards
• regather
• regatta
• regency
• regeneracy
• regenerate
• regenerating
• regeneration
• regenerative
• regenerator
• regent
• regex
• reggae