TAIGA

Set to 3 different clues across 3 published puzzles, most often “Northern forests” — The New York Times, Saturday, 31 January 2004.

5 letters

Every clue on record, most used first

Northern forestsonce
The New York Times — Saturday, 31 January 2004
Subarctic forestonce
The New York Times — Friday, 16 May 2003
Northern evergreen forestsonce
The New York Times — Wednesday, 17 September 1997