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The summit is treeless , supporting Three-toothed Cinquefoil and Rocky Mountain woodsia , among other plants ; other wildflower s , such as bog bluegrass and large-leaved grass-of-Parnassus , may be seen elsewhere on the mountain .
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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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