Marsdenia tubulosa is a species of plant of unknown habit in the dogbane family. It is endemic to Australia's subtropical Lord Howe Island in the Tasman Sea. It is known only from a single collection made in 1871 on the summit of Mount Gower and may be extinct. 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