Crossword Genius

Tree crowns, collectively (6)

Ross

I believe the answer is:

canopy

(Other definitions for canopy that I've seen before include "in the topmost branches" , "Overhanging cover" , "Highest level of foliage in a forest" , "Ornamental awning" , "Roof-like awning" .)

I've seen this clue in the LA Times.
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