17414
Agglomerative hierarchical clustering analysis revealed that studied mushroom species fall into two clusters ; Cluster I included P . djamor , P . eryngii and P . flabellatus , while Cluster II included H . ulmarius , P . sajor - caju , P . citrinopileatus , P . ostreatus and P . florida .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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