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Hickories such as bitternut ( " Carya cordiformis " ) , shagbark ( " Carya ovata " ) , and mockernut ( " Carya tomentosa " ) , are found here , as are black tupelo ( " Nyssa sylvatica " ) , red maple ( " Acer rubrum " ) , white pine ( " Pinus strobus " ) , and white ash ( " Fraxinus americana " ) .
 Carya cordiformis, Carya ovata, Carya tomentosa, Nyssa sylvatica, Acer rubrum, Pinus strobus, Fraxinus americana
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:
 Carya cordiformis, Carya ovata, Carya tomentosa, Nyssa sylvatica, Acer rubrum, Pinus strobus, Fraxinus americana