ponderosa) growing in a selectively logged area, Big Hole, Oregon [C.J. (2013); numbers correspond to rows in their Table 1. 2013), which is predominant in populations in the Puget Trough, the Willamette Valley, and the Klamath-Siskiyou region. Western Wood Products Association. Employment, business and economic development, Birth, adoption, death, marriage and divorce, Birth, adoption, death and marriage reports, Environmental protection and sustainability, Emergency Preparedness, Response & Recovery, Timber Supply Review & Allowable Annual Cut, Working in the Forestry Sector During COVID-19, Performance of Ponderosa Pine and Western Larch Planted North of Natural Ranges (pdf), possibly intermediate in the ecotone between temperate and semiarid climates, absent on sites with growing season frost, protection-requiring in the ecotone between temperate and semiarid climates, tolerates short-term inundation - present on coarse-skeletal, high floodplain benches, mountain pine beetle, pine engravers (Ips spp. However three other distinctive haplotypes, each closely related to the others (and to the orange type), do occur in the region: a blue-green type predominates in eastern Nevada and western Utah, and may represent radiation from a different Pleistocene refugium compared to the source of the orange and dark blue haplotypes. The tallest trees in this, the second-tallest pine species, are individuals of subsp. 2004. Mahalovich, and R.E. benthamiana (Hartw.) The only ponderosa pine habitat in Washington west of the Cascade Mountains occurs on excessively well drained glacial outwash gravels at Joint Base Lewis-McChord. 30 trees sampled per population (Potter et al.