Ulmus 'Rubra' (English Wikipedia)

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

refsWebsite

Global rank English rank

6^th place

6^th place

1biodiversitydata.nl

low place

low place

1rystonhall.co.uk

low place

low place

low place

low place

archive.org

Elwes, Henry John; Henry, Augustine (1913). The Trees of Great Britain & Ireland. Vol. 7. p. 1869.
Planchon in de Candolle, Prodromus Systematis Naturalis Regni Vegetabilis, 17: 160 (1873)
Cultures de Louis van Houtte: Plantes Vivaces de Pleine Terre, Catalogue de Louis van Houtte, 1881-2, p.303
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 - L.1587212". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. glabra Huds. libero rubro, Den Haag, 1940

rystonhall.co.uk

rystonhall.co.uk/

wikimedia.org

commons.wikimedia.org

Ryston Hall Arboretum catalogue. c. 1920. pp. 13–14.