Given the question: Draba densifolia - Draba densifolia is a species of flowering plant in the mustard family known as the denseleaf draba. This small perennial is native to western North America where it is found in mountain environments above 2000 meters from California to Alaska to Wyoming. The plant forms cushion-like mats of small fleshy hairy pointed leaves in rocky crevices and on slopes. If it bolts a stem it is no taller than 15 centimeters. 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?
The answer is:
Plant