31961
After being considered extinct for twenty years , a single plant was found growing in native forest of " Homalium taypau " and " Metrosideros collina " in 2003 .
 plant: Homalium taypau; plant: Metrosideros collina
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Homalium taypau, Metrosideros collina 
Answer:
 plant: Homalium taypau; plant: Metrosideros collina