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. Cyathea - Cyathea is a genus of tree ferns the type genus of the fern order Cyatheales. They are mostly terrestrial ferns usually with a single tall stem. Rarely the trunk may be branched or creeping. Many species also develop a fibrous mass of roots at the base of the trunk. The genus has a pantropical distribution with over 470 species.
A:
Plant