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Ulmus × hollandica 'Alba' (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ulmus × hollandica 'Alba'" in English language version.

refsWebsite
Global rank English rank
2archive.org
6th place
6th place

archive.org

  • Petzold, Carl; Kirchner, Georg (1864). Arboretum Muscaviense. p. 559.
  • Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.