LITERATURE CITED
- Christensen M. 1960. The soil microfungi of conifer-hardwood forests in Wisconsin [PhD dissertation]. Madison, Wisconsin: University of Wisconsin. 441 p.
- Christensen M. 1969. Soil microfungi of dry to mesic conifer-hardwood forests in northern Wisconsin. Ecology 50:9–27.
- Christensen M. 1988. A view of fungal ecology. Mycologia 81:1–19.
- Christensen M. 2011. Soil fungi: a new perspective. Inoculum 62:2–3.