Mamwe marudzi masere emiti yemakoniferi akanyorwa, Lodgepole Pine masango anofukidza 80% yenzvimbo dzese dzemasango. Mamwe makoniferi, akadai seSubalpine Fir, Engelmann Spruce, Rocky Mountain Douglas-fir uye Whitebark Pine, anowanikwa mumasango akapararira mupaki yese. Kubva muna 2007, iyo pine pine inotyisidzirwa nefungus inozivikanwa seyechena pine blister ngura; zvisinei, izvi zvinonyanya kugumira kumasango ari kuchamhembe nekumadokero. MuYellowstone, angangoita manomwe muzana emarudzi emiti yemapine pine akabatwa nefungus, achienzaniswa neanenge akazara infestations kuchamhembe kwakadziva kumadokero kweMontana.
Subalpine Fir, Engelmann Spruce, Rocky Mountain Douglas-fir uye Whitebark Pine