Ulmus americana 'Deadfree' (English Wikipedia)

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

refsWebsite

Global rank English rank

1web.archive.org

1^st place

1^st place

6,521^st place

4,429^th place

low place

low place

dc.gov

app.ddot.dc.gov

"Urban Forestry Administration". District Department of Transportation. Archived from the original on 16 July 2010. Retrieved 20 June 2016.

isa-arbor.com

joa.isa-arbor.com

Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated Checklist of Elm (Ulmus) Cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–131. Retrieved 20 June 2016.

web.archive.org

"Urban Forestry Administration". District Department of Transportation. Archived from the original on 16 July 2010. Retrieved 20 June 2016.