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The drier parts of the refuge are also forested in hardwoods , including several species of oak , green ash , cottonwood , river birch and red maple .
 plant: oak; plant: green ash; plant: cottonwood; plant: river birch; plant: red maple
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: oak, green ash, cottonwood, river birch, red maple 
Answer:
 plant: oak; plant: green ash; plant: cottonwood; plant: river birch; plant: red maple