Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Stuckenia vaginata - Stuckenia vaginata (syn. Potamogeton vaginatus) commonly called sheathed pondweed big sheathed pondweed or large-sheathed pondweed is a water plant species that grows in fresh and brackish water in Europe Northern Asia (excluding China) and North America. Sheathed pondweed is rare but is not in the 2012 IUCN Red List.Stuckenia vaginata is a fully submerged aquatic plant and does not have any floating or emerged leaves. The flowers are wind pollinated and the seeds float.
A:
Plant