Subject
- Ceanothus velutinus5
- Ceanothus3
- Actinorhizas2
- Buckhorn -- Seeds2
- Nitrogen -- Fixation2
- Arctostaphylos -- Testing1
- Ceanothus -- Ecology1
- Ceanothus -- Effect of fires on -- Oregon -- Applegate River Watershed1
- Ceanothus -- Effect of grazing on -- Oregon -- Applegate River Watershed1
- Ceanothus -- Evolution1
- Ceanothus -- Oregon -- Rogue River Watershed (Klamath County-Curry County)1
- Ceanothus velutinus -- Oregon -- H.J. Andrews Experimental Forest1
- Ceanothus velutinus -- Testing1
- Chaparral ecology -- Oregon -- Applegate River Watershed1
- Clearing of land -- Oregon -- Rogue River Watershed (Klamath County-Curry County)1
- Douglas fir1
- Forest ecology1
- Frankia -- Ecology1
- Frankia -- Evolution1
- Frankia -- Genetics1