Subject
- Pine -- Diseases and pests4
- Ponderosa pine -- Diseases and pests4
- Arthropoda -- Ecology -- California, Northern1
- Blister rust -- Control -- Cascade Range1
- Cronartium ribicola -- Control -- Cascade Range1
- Forest ecology -- California, Northern1
- Gene expression1
- Germination1
- Ips confusus1
- Mistletoes1
- Ponderosa pine -- Diseases and pests -- California, Northern1
- Whitebark pine -- Disease and pest resistance -- Cascade Range -- Genetic aspects1