155554
Along with the genera Crucibulum , Mycocalia , Nidula and Nidularia , they are known collectively as the bird 's nest fungi due to their small nest-like fruiting bodies containing egg-shaped peridioles .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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