LITERATURE CITED
- Bynum, H. H., and D. R. Miller. 1969. A new needle disease of hard pines in Oregon and California. Pl. Dis. Reporter 53: 232–234.
- Shea, K. R., G. M. Harvey, H. H. Bynum, and J. M. Staley. 1970. A new ponderosa pine needle disease in western Oregon plantations. Northw. Sci. 44: 70. (Abstr.)