Bibliography and Citations

Found 6 results
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Hatfield R, Jepsen S, Mader E, Black SHoffman, Shepherd M.  2012.  Conserving bumble bees: guidelines for creating and managing habitat for America's declining pollinators.    Available from http://www.xerces.org/wp-content/uploads/2012/06/conserving_bb.pdf
Hatfield R, Colla S, Jepsen S, Richardson L, Thorp R, Jordan SFoltz.  2014.  IUCN assessments for North American Bombus spp.    Available from http://www.xerces.org/wp-content/uploads/2015/03/Hatfield_etal_14_rs.pdf
Hatfield R, Colla S, Jepsen S, Richardson L, Thorp R.  2014.  IUCN assessments for North American Bombus spp.: Idaho species. Draft.  
Hatfield R.  2017.  Bumble Bee Watch data.    Available from https://xerces.org/bumble-bee-watch/
Hatfield R, Svancara L.  2021.  Bumble Bee Watch data.    Available from http://www.bumblebeewatch.org/app/#/bees/lists
Hatfield R.  2022.  Bumble Bee Watch Data.    Available from http://www.bumblebeewatch.org/app/#/bees/lists