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. Rorippa subumbellata - Rorippa subumbellata is a rare species of flowering plant in the mustard family known by the common name Lake Tahoe yellowcress. It is known only from the shores of Lake Tahoe straddling the border between California and Nevada. There are an estimated fourteen populations of the plant still in existence. It grows only on the direct shoreline of the lake occupying a seven-foot semi-aquatic zone between the high- and low-tide marks.
A:
Plant