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Ulmus pumila 'Pyramidalis Fiorei' (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ulmus pumila 'Pyramidalis Fiorei'" in English language version.

refsWebsite
Global rank English rank
1archive.org
6th place
6th place

archive.org

  • Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.