Bombus pensylvanicus (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bombus pensylvanicus" in Swedish language version.

refsWebsite

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858^th place

1iucnredlist.org

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383^rd place

1web.archive.org

1^st place

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itis.gov

”Bombus pensylvanicus” (på engelska). ITIS. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=714828. Läst 24 december 2020.

iucnredlist.org

Hatfield, R., Jepsen, S., Thorp, R., Richardson, L., Colla, S. & Foltz Jordan, S. 2015 American Bumblebee Bombus pensylvanicus . Från: IUCN 2015. IUCN Red List of Threatened Species. Version 2018.1. Läst 18 december 2020.

ncsu.edu

projects.ncsu.edu

Theodore, Mitchell (1962). ”The Bees of the Eastern United States II” (på engelska) (PDF, 2,5 MB). Technical bulletin (North Carolina Agricultural Experiment Station (North Carolina State University)) (152): sid. 12–14. Arkiverad från originalet den 9 augusti 2017. https://web.archive.org/web/20170809143435/https://projects.ncsu.edu/cals/entomology/museum/downloads/Apidae.pdf. Läst 24 december 2020.

nhm.ac.uk

”Thoracobombus” (på engelska). Natural History Museum, London. http://www.nhm.ac.uk/research-curation/research/projects/bombus/th.html#pensylvanicus. Läst 4 mars 2015.
Sheila Colla, Leif Richardson och Paul Williams (2010). ”Bumble Bees of the Eastern United States” (på engelska) (5,65 MB). USDA Forest Service & Pollinator Partnership. sid. 36–37. http://www.nhm.ac.uk/research-curation/research/projects/bombus/Colla&al11_EBG.pdf. Läst 21 februari 2015.

springer.com

link.springer.com

Victoria J. MacPhail, Leif L. Richardson & Sheila R. Colla (22 maj 2019). ”Incorporating citizen science, museum specimens, and field work into the assessment of extinction risk of the American Bumble bee (Bombus pensylvanicus De Geer 1773) in Canada” (på engelska). Journal of Insect Conservation 23. https://link.springer.com/article/10.1007/s10841-019-00152-y. Läst 19 maj 2022.

web.archive.org

Theodore, Mitchell (1962). ”The Bees of the Eastern United States II” (på engelska) (PDF, 2,5 MB). Technical bulletin (North Carolina Agricultural Experiment Station (North Carolina State University)) (152): sid. 12–14. Arkiverad från originalet den 9 augusti 2017. https://web.archive.org/web/20170809143435/https://projects.ncsu.edu/cals/entomology/museum/downloads/Apidae.pdf. Läst 24 december 2020.