Subject
- Fire ecology -- Oregon2
- Plant competition -- Oregon, Eastern2
- Sagebrush steppe ecology -- Oregon, Eastern2
- Biscuit Fire, Or. and Calif., 20021
- Chicks -- Mortality1
- Crested wheatgrass -- Effect of grazing on -- Oregon, Eastern1
- Crested wheatgrass -- Oregon, Eastern1
- Endemic plants -- Columbia Plateau -- Geographical distribution1
- Endemic plants -- Effect of fires on -- Cascade Range1
- Endemic plants -- Effect of fires on -- Oregon1
- Endemic plants -- Effect of grazing on -- Oregon, Eastern1
- Endemic plants -- Idaho -- Craters of the Moon National Preserve1
- Endemic plants -- Oregon -- John Day Fossil Beds National Monument1
- Endemic plants -- Oregon, Eastern1
- Fire ecology -- Cascade Range1
- Fire ecology -- Oregon -- Willamette River Valley1
- Forest fires -- Environmental aspects -- Cascade Range1
- Forest fires -- Environmental aspects -- Oregon1
- Grasses -- Ecology -- Oregon, Eastern1
- Grasses -- Oregon -- Ecology1