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Petasites frigidus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Petasites frigidus" in English language version.

refsWebsite
Global rank English rank
1theplantlist.org
480th place
1,169th place
1usda.gov
438th place
336th place
1wildflowersearch.com
low place
low place
1ubc.ca
1,997th place
1,295th place
1washington.edu
1,067th place
749th place
1berkeley.edu
580th place
462nd place
1books.google.com
3rd place
3rd place
1theglobeandmail.com
293rd place
203rd place
1doi.org
2nd place
2nd place
1nih.gov
4th place
4th place

berkeley.edu

ucjeps.berkeley.edu

  • "Petasites frigidus". Jepson eFlora: Taxon page. Jepson Herbarium; University of California, Berkeley. 2015. Retrieved 2016-04-09.

books.google.com

doi.org

  • Aydın, AA; Zerbes, V; Parlar, H; Letzel, T (2013). "The medical plant butterbur (Petasites): analytical and physiological (re)view". J Pharm Biomed Anal. 75: 220–9. doi:10.1016/j.jpba.2012.11.028. PMID 23277154.

nih.gov

pubmed.ncbi.nlm.nih.gov

  • Aydın, AA; Zerbes, V; Parlar, H; Letzel, T (2013). "The medical plant butterbur (Petasites): analytical and physiological (re)view". J Pharm Biomed Anal. 75: 220–9. doi:10.1016/j.jpba.2012.11.028. PMID 23277154.

theglobeandmail.com

theplantlist.org

  • "The Plant List".

ubc.ca

linnet.geog.ubc.ca

  • Klinkenberg, Brian, ed. (2014). "Petasites frigidus". E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. Retrieved 2016-04-09.

usda.gov

plants.usda.gov

  • "Petasites frigidus". PLANTS Database. United States Department of Agriculture; Natural Resources Conservation Service. 2015. Retrieved 2016-04-09.

washington.edu

biology.burke.washington.edu

  • Giblin, David, ed. (2015). "Petasites frigidus". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2016-04-09.

wildflowersearch.com