Quercus nigra (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Quercus nigra" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1theplantlist.org

480^th place

1,169^th place

9,082^nd place

5,078^th place

732^nd place

800^th place

bonap.net

"Quercus nigra". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.

doi.org

Wenzell, K.; Kenny, L. (2015). "Quercus nigra". IUCN Red List of Threatened Species. 2015: e.T194205A2303997. doi:10.2305/IUCN.UK.2015-4.RLTS.T194205A2303997.en. Retrieved 19 November 2021.

efloras.org

Nixon, Kevin C. (1997). "Quercus nigra". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 3. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

iucnredlist.org

Wenzell, K.; Kenny, L. (2015). "Quercus nigra". IUCN Red List of Threatened Species. 2015: e.T194205A2303997. doi:10.2305/IUCN.UK.2015-4.RLTS.T194205A2303997.en. Retrieved 19 November 2021.

theplantlist.org

"Quercus nigra L.". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew – via The Plant List. Note that this website has been superseded by World Flora Online