Subject
- Plants -- Effect of herbicides on -- Oregon -- Willamette River Valley2
- Asteraceae -- Climatic factors -- Oregon -- Baker county1
- Asteraceae -- Effect of global warming on -- Oregon -- Baker county1
- Asteraceae -- Population viability analysis -- Oregon -- Baker county1
- Astragalus (Plants) -- Climatic factors -- Oregon -- Tygh Valley1
- Astragalus (Plants) -- Effect of global warming on -- Oregon -- Tygh Valley1
- Astragalus (Plants) -- Population viability analysis -- Oregon -- Tygh Valley1
- Bryophytes -- Oregon1
- Cheatgrass brome -- Idaho -- Nez Perce County1
- Corn -- Root rot -- Oregon -- Willamette River Valley1
- Endangered plants -- Effect of fires on1
- Endemic plants -- Herbicide injuries -- Oregon -- Willamette River Valley1
- Epiphytic lichens -- Ecology -- Oregon -- Willamette National Forest1
- Epiphytic lichens -- Effect of forest management on -- Oregon -- Willamette National Forest1
- Fire ecology -- Oregon -- Willamette River Valley1
- Forest biodiversity -- Oregon1
- Grassland ecology -- Idaho -- Nez Perce County1
- Grassland ecology -- Oregon -- Willamette River Valley1
- Grassland plants -- Ecology -- Oregon -- Willamette River Valley1
- Grassland plants -- Effect of fires on -- Idaho -- Nez Perce County1