Acer nigrum (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Acer nigrum" in English language version.

refsWebsite

Global rank English rank

2web.archive.org

1^st place

1^st place

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

438^th place

336^th place

607^th place

747^th place

167^th place

198^th place

2,133^rd place

1,364^th place

ars-grin.gov

npgsweb.ars-grin.gov

"Acer saccharum subsp. nigrum". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2017-12-20.

doi.org

Barstow, M.; Crowley, D. (2017). "Acer nigrum". IUCN Red List of Threatened Species. 2017: e.T61961045A61961056. doi:10.2305/IUCN.UK.2017-3.RLTS.T61961045A61961056.en. Retrieved 13 November 2021.

fs.fed.us

na.fs.fed.us

"USDA Forest Service Guide to Black Maple". USDA Forest Service. Archived from the original on 2015-04-24. Retrieved 2014-08-24.

iucnredlist.org

Barstow, M.; Crowley, D. (2017). "Acer nigrum". IUCN Red List of Threatened Species. 2017: e.T61961045A61961056. doi:10.2305/IUCN.UK.2017-3.RLTS.T61961045A61961056.en. Retrieved 13 November 2021.

usda.gov

plants.sc.egov.usda.gov

USDA, NRCS (n.d.). "Acer nigrum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.

usgs.gov

esp.cr.usgs.gov

"Acer nigrum Range Map" (PDF). United States Geological Survey. Archived from the original (PDF) on 2008-05-09. Retrieved 2008-03-06.

web.archive.org

"Acer nigrum Range Map" (PDF). United States Geological Survey. Archived from the original (PDF) on 2008-05-09. Retrieved 2008-03-06.
"USDA Forest Service Guide to Black Maple". USDA Forest Service. Archived from the original on 2015-04-24. Retrieved 2014-08-24.