Given the question: Crataegus ellwangeriana is a hawthorn that is not yet well understood. It is sometimes considered to be a synonym of C. pedicellata and therefore a synonym of C. coccinea which would place it in series Coccineae. A study concluded however that C. ellwangeriana should not be included in series Coccineae. 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?
The answer is:
Plant