Answer the following question: Littorella is a genus of two to three species of aquatic plants. Many plants live their entire lives submersed and reproduce by stolons but some are only underwater for part of the year and flower when they are not underwater. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Plant