Ulmus × hollandica 'Etrusca' (English Wikipedia)

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

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6^th place

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1herbariaunited.org

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1biodiversitydata.nl

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1googlegroups.com

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archive.org

Elwes, Henry John; Henry, Augustine (1913). The Trees of Great Britain & Ireland. Vol. 7. p. 1867.
Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.

biodiversitydata.nl

data.biodiversitydata.nl

"Herbarium specimen 295090, herbariaunited.org" Sheet labelled Ulmus montana var. etrusca (Kew Gardens Specimen, 1909; A. Ley); "Herbarium specimen - WAG.1846700". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. glabra etrusca (Kew Gardens specimen)

googlegroups.com

937cba1e-a-62cb3a1a-s-sites.googlegroups.com

plot-elms.co.uk/ Lincolnshire/Plot hybrids

herbariaunited.org

"Herbarium specimen 295090, herbariaunited.org" Sheet labelled Ulmus montana var. etrusca (Kew Gardens Specimen, 1909; A. Ley); "Herbarium specimen - WAG.1846700". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. glabra etrusca (Kew Gardens specimen)