Martinez Spruce (Picea martinezii) is a medium-sized evergreen tree growing to 25-35 m tall and with a trunk diameter of up to 1 m. It is native to northeast Mexico where it occurs at two localities in the Sierra Madre Oriental mountains in Nuevo Leon. 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?
A:
Plant