Editing Ulmus americana (section)

=== Accessions ===
;North America
*[[Arnold Arboretum]], US. Acc. nos. 250-53 (cult. material), 412-86 wild collected in the United States.
*[[Bernheim Arboretum and Research Forest]], [[Clermont, Kentucky|Clermont]], [[Kentucky]]. No details available.
*[[Denver Botanic Gardens]], US. One specimen, no details.
*[[Holden Arboretum]], US. Acc. nos. 2005-17, 65-632, 80-663, all of unrecorded provenance.
*[[Longwood Gardens]], US. Acc. nos. 1997-0074, L-0352, sources unrecorded.
*[[Missouri Botanical Garden]], US. Acc. nos. 1969-6172, 1986-0206, 1986-0207, 1986-0208.
*[[New York Botanical Garden]], US. Acc. nos. 877/97, 944/96, 1854/99, 2111/99, 06791, all unrecorded provenance.
*[[Phipps Conservatory & Botanical Gardens]], US. Acc. nos. 00/1265, 99/0660.
*[[Scott Arboretum]], US. Acc. no. S000339, no other details available.
*[[United States National Arboretum|U S National Arboretum]], [[Washington, D.C.]], US. Acc. nos. 64254, 64255, 64256, 66355, 66426, 68988, 69304, 66341.
;Europe
*[[Brighton & Hove]] City Council, UK. [[NCCPG]] elm collection.
*[[Dubrava Arboretum]], Lithuania. No accession details available.
*[[Grange Farm Arboretum]], [[Sutton St James]], [[Spalding, Lincolnshire|Spalding]], [[Lincolnshire]], UK. Acc. no. not known.
*Hortus Botanicus Nationalis, [[Salaspils]], Latvia. Acc. nos. 18087,88,89,90,91,92.
*[[Linnaean Garden]]s of Uppsala, Sweden. Acc. nos. 1976-2713,0000-2170
*[[Strona Arboretum]], University of Life Sciences, [[Warsaw]], Poland. No accession details available.
*[[Royal Botanic Garden Edinburgh]], UK. Acc. no. 19901741, Ulmus americana L., wild collected in Canada; Acc. no. 19802124, Ulmus americana L.× pumila L. var. arborea, cultivated material<ref name="Royal">{{cite web|url=https://data.rbge.org.uk/search/livingcollection/?eti=Ulmus+americana&cfg=livcol.cfg|title=Ulmus americana L.; Ulmus americana L.× pumila L. var. arborea|work=Catalogue of the Living Collections|id=19901741 and 19802124|year=2018|location=Edinburgh, United Kingdom|publisher=Royal Botanic Garden|access-date=April 2, 2021|archive-url=https://web.archive.org/web/20210402175627/https://data.rbge.org.uk/search/livingcollection/?eti=Ulmus+americana&cfg=livcol.cfg|archive-date=April 2, 2021|url-status=live}}</ref>
*[[Tallinn]] Botanic Garden, Estonia. No accession details available.
*[[Thenford]] House arboretum, Northamptonshire, UK. No accession details available.
*[[University of Copenhagen]], Botanic Garden, Denmark. Acc. no. P1971-5201, wild collected in the US
*[[Wakehurst Place Garden]], [[Wakehurst Place]], UK. Acc. nos. 1994-67, 1994-68, 1991-1163.A.
;Australasia
*[[Eastwoodhill Arboretum]], [[Gisborne, New Zealand|Gisborne]], New Zealand. 11 trees, accession details not known.