Please answer the following question: Piptatherum -  Piptatherum is a genus of grasses known as ricegrass. They are widely distributed throughout the temperate and subtropical areas of the world but most are native to Eurasia. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Plant