Native trees of Canada. Jeglum, John K. 1971. Plant indicators of pH and water level in peatlands at Candle Lake, Saskatchewan. Canadian Journal of Botany. Johnston, William F. 1973.
Tamarack seedlings prosper on broadcast burns in Minnesota peatland.
U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station. Johnston, William F. 1975. Reproducing lowland conifer forests. Journal of Forestry. Johnston, William F. 1990.