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. Argyroxiphium virescens -  Argyroxiphium virescens was a species of flowering plant in the Asteraceae family.It was found only in the Hawaiian Islands.Its natural habitats were subtropical or tropical moist montane forests and subtropical or tropical high-altitude shrubland.It is officially declared extinct.
The answer to this question is:
Plant