Ulmus americana 'Ascendens' (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ulmus americana 'Ascendens'" in English language version.

refsWebsite
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6th place
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2nd place
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5th place
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4th place
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low place
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1st place
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low place

archive.org

  • Malcolm A. Milne & Jacob Gerling, 'Improved elm is upright form', Trees Magazine, September-October 1941, Vol.4, No.5, p.9; Santa Monica, California
  • Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
  • Cover photograph of an avenue of 30 year-old 'Ascendens', Rochester, N. Y., Trees Magazine, September-October 1941, vol.4, No.5; Santa Monica, California

doi.org

isa-arbor.com

joa.isa-arbor.com

nih.gov

pubmed.ncbi.nlm.nih.gov

sunshinenursery.com

web.archive.org

worldcat.org

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