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Populus heterophylla (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Populus heterophylla" in English language version.

refsWebsite
Global rank English rank
2iucnredlist.org
88th place
160th place
1doi.org
2nd place
2nd place
1efloras.org
732nd place
800th place
1illinoiswildflowers.info
low place
low place
1usda.gov
438th place
336th place

doi.org

  • Smith, K. (2016). "Populus heterophylla". IUCN Red List of Threatened Species. 2016: e.T61959850A61959867. doi:10.2305/IUCN.UK.2016-1.RLTS.T61959850A61959867.en. Retrieved 19 November 2021.

efloras.org

illinoiswildflowers.info

iucnredlist.org

  • Smith, K. (2016). "Populus heterophylla". IUCN Red List of Threatened Species. 2016: e.T61959850A61959867. doi:10.2305/IUCN.UK.2016-1.RLTS.T61959850A61959867.en. Retrieved 19 November 2021.
  • Smith (IUCN), Kevin (2015-04-01). "IUCN Red List of Threatened Species: Populus heterophylla". IUCN Red List of Threatened Species. Retrieved 2020-04-23.

usda.gov

srs.fs.usda.gov

  • "Populus heterophyfla L". srs.fs.usda.gov. Retrieved 2020-04-23.[1]