Ulmus davidiana var. japonica 'Thomson' (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ulmus davidiana var. japonica 'Thomson'" in English language version.

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2worldplants.ca

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1cdnsciencepub.com

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cdnsciencepub.com

Lindquist, C. H. & Howe, J. A. G. (1979). Thomson Elm. Canadian Journal of Plant Science 59:1159

egranth.ac.in

krishikosh.egranth.ac.in

Heybroek, Hans M. (1981). "The Japanese elm species and their value for the Dutch elm breeding program" (PDF). Proceedings of the Dutch Elm Disease symposium and workshop, October 5–9, Winnipeg, Manitoba: 78–90.

trees.org.uk

Burdekin, D.A.; Rushforth, K.D. (November 1996). "Elms resistant to Dutch elm disease" (PDF). Arboriculture Research Note. 2/96. Revised by J.F. Webber. Alice Holt Lodge, Farnham: Arboricultural Advisory & Information Service: 1–9. ISSN 1362-5128. Retrieved 26 October 2017.

worldcat.org

search.worldcat.org

Burdekin, D.A.; Rushforth, K.D. (November 1996). "Elms resistant to Dutch elm disease" (PDF). Arboriculture Research Note. 2/96. Revised by J.F. Webber. Alice Holt Lodge, Farnham: Arboricultural Advisory & Information Service: 1–9. ISSN 1362-5128. Retrieved 26 October 2017.

worldplants.ca