Ko ētahi atu conifers, pērā i Subalpine Fir, Engelmann Spruce, Rocky Mountain Douglas-fir me Whitebark Pine, e kitea ana i roto i ngā rākau marara puta noa i te papa. Mai i te 2007, e whakawehi ana te pine whitebark e te pūngāwerewere e mohiotia ana ko te waikura pūngāwerewere ma; heoi, ko te nuinga o te wā e herea ana ki nga ngahere ki te raki me te hauauru. I Yellowstone, tata ki te whitu ōrau o nga momo pine whitebark i pangia e te pūngāwerewere, i whakaritea ki te tata ki te whakaekenga o nga tipu i te raki o Montana.
Ko te Subalpine Pine, Engelmann Spruce, Rocky Mountain Douglas-fir me te Whitebark Pine