129710
Common trees found in the state park and forest include black cherry , eastern hemlock , red maple , tulip poplar , yellow birch , and white ash .
 black cherry, eastern hemlock, red maple, tulip poplar, white ash
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 black cherry, eastern hemlock, red maple, tulip poplar, white ash