美国榆 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "美国榆" in Chinese language version.

refsWebsite

Global rank Chinese rank

2web.archive.org

1^st place

1^st place

1natureserve.org

5,367^th place

8,531^st place

2^nd place

23^rd place

14^th place

18^th place

1emmitsburg.net

low place

low place

archive.today

Of Elms and Orioles. Emmitsburg News-Journal: The New Forest Society. [December 15, 2014]. （原始内容存档于2014-12-17）.

doi.org

Stritch, L.; Rivers, M.C. & Barstow, M. Ulmus americana. The IUCN Red List of Threatened Species (IUCN). 2019, 208. e.T61966619A61966626. doi:10.2305/IUCN.UK.2019-2.RLTS.T61966619A61966626.en.

emmitsburg.net

Of Elms and Orioles. Emmitsburg News-Journal: The New Forest Society. [December 15, 2014]. （原始内容存档于2014-12-17）.

natureserve.org

Ulmus americana. NatureServe Explorer. NatureServe. [2007-07-06]. （原始内容存档于2007-09-29）.

web.archive.org

Ulmus americana. NatureServe Explorer. NatureServe. [2007-07-06]. （原始内容存档于2007-09-29）.
'Lord of the Elms', web.archive.org/web/20110711013315/http://www.flyingsquirrels.com/sauble_elm/