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Myrmecochory is also present in mesic forests in temperate regions of the northern hemisphere ( i.e. in Europe and in eastern North America ) as well as in tropical forests and dry deserts , though to a lesser degree .
 Europe, North America
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Europe, North America