18236
We recognized three species in Chiharaea ( C . americana , C . rhododactyla sp . nov . , C . silvae ) and two forms ( C . americana f . americana and C . americana f . bodegensis ( H . W . Johansen ) stat . nov . ) .
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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:
 None