Diagnostic photographs of Turkestan elms, their leaves and samarae, in the Björngårdsvägen, Södermalm, Stockholm, the Enkehusparken in Vasastan, Stockholm, and the Norra Kyrkogården in Solna, Sweden: www.tradgardsakademin.se [1]
wikimedia.org
commons.wikimedia.org
Katalog(PDF). Vol. 108. Berlin, Germany: L. Späth Baumschulenweg. 1902–1903. pp. 132–133.
Accessions book. Royal Botanic Garden Edinburgh. 1902. pp. 45, 47.