Davidson, Donald W. (1963). "Living Stumps of Tsuga canadensis (L.) Carr. (Hemlock) in Northern New Jersey". Bulletin of the Torrey Botanical Club. 90 (3): 204–207. doi:10.2307/2482756. JSTOR2482756.
Simard, Suzanne W.; Perry, David A.; Jones, Melanie D.; Myrold, David D.; Durall, Daniel M.; Molina, Randy (1997). "Net transfer of carbon between ectomycorrhizal tree species in the field". Nature. 388 (6642): 579–582. Bibcode:1997Natur.388..579S. doi:10.1038/41557.
Bormann, F.H.; Graham Jr., B.F. (1959). "The occurrence of natural root grafting in eastern white pine (Pinus strobus L.), and its ecological implications". Ecology. 40 (4): 677–691. doi:10.2307/1929820. JSTOR1929820.
Lanner, Ronald M. (1961). "Living Stumps in the Sierra Nevada". Ecology. 42 (1): 170–173. doi:10.2307/1933281. JSTOR1933281.
fs.fed.us
treesearch.fs.fed.us
Crist, John B.; Mattson, James A.; Winsauer, Sharon A. 1983. Effect of severing method and stump height on coppice growth. In: Hansen, Edward A., ed. Intensive plantation culture: 12 years research. Gen. Tech. Rep. NC-91. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station: 58-6; retrieved on 2008-05-10 from www.treesearch.fs.fed.us/pubs/18839.
harvard.edu
adsabs.harvard.edu
Simard, Suzanne W.; Perry, David A.; Jones, Melanie D.; Myrold, David D.; Durall, Daniel M.; Molina, Randy (1997). "Net transfer of carbon between ectomycorrhizal tree species in the field". Nature. 388 (6642): 579–582. Bibcode:1997Natur.388..579S. doi:10.1038/41557.
jstor.org
Davidson, Donald W. (1963). "Living Stumps of Tsuga canadensis (L.) Carr. (Hemlock) in Northern New Jersey". Bulletin of the Torrey Botanical Club. 90 (3): 204–207. doi:10.2307/2482756. JSTOR2482756.
Bormann, F.H.; Graham Jr., B.F. (1959). "The occurrence of natural root grafting in eastern white pine (Pinus strobus L.), and its ecological implications". Ecology. 40 (4): 677–691. doi:10.2307/1929820. JSTOR1929820.
Lanner, Ronald M. (1961). "Living Stumps in the Sierra Nevada". Ecology. 42 (1): 170–173. doi:10.2307/1933281. JSTOR1933281.