Two-ranked Bumble Bee

Bombus bifarius native bee

A medium-tongued social bumble bee. Nests usually underground, sometimes on the surface. Forages on Aster, Epilobium, Haplopappus, Lupinus and others.

117 documented plant relationships.

sips nectar at

Alpine AsterAster alpinuswildflower · June-JulyAlpine Forget-me-notMyosotis asiaticawildflower · June-AugustAlpine Hedysarum (Bear Root)Hedysarum americanumwildflower · June-AugustArctic AsterEurybia sibiricawildflower · Jul-SepBalsamrootBalsamorhiza sagittatawildflower · May-JulBearberryArctostaphylos uva-ursigroundcover · May–JuneBirch-leaved SpireaSpiraea betulifoliashrub · Jun-JulBlanketflowerGaillardia aristatawildflower · June–SeptemberBog BlueberryVaccinium uliginosumshrub · JuneBoreal YarrowAchillea borealiswildflower · June-AugustBracted HoneysuckleLonicera involucratashrub · June–JulyBroomweedGutierrezia sarothraeshrub · August-OctoberCanada GoldenrodSolidago canadensiswildflower · August–SeptemberChokecherryPrunus virginianashrub · May–JuneCommon PaintbrushCastilleja miniatawildflower · June–AugustCommon SnowberrySymphoricarpos albusshrub · June–JulyCreeping Oregon GrapeMahonia repensshrub · April-MayDotted BlazingstarLiatris punctatawildflower · August–SeptemberElegant GoldenrodSolidago lepidawildflower · August-SeptemberFireweedChamaenerion angustifoliumwildflower · July-AugustGolden BeanThermopsis rhombifoliawildflower · May–JuneGolden Currant (Buffalo Currant)Ribes aureumshrub · May–JuneGreater Northern AsterCanadanthus modestuswildflower · July–SeptemberGumweedGrindelia squarrosawildflower · July-SeptemberHairy Golden AsterHeterotheca villosawildflower · July-SeptemberHeart-leaved ArnicaArnica cordifoliawildflower · May-JulyHoary AsterDieteria canescenswildflower · July-SeptemberHooded Ladies' TressesSpiranthes romanzoffianawildflower · July–AugustLance-leaved StonecropSedum lanceolatumgroundcover · June–JulyLate GoldenrodSolidago giganteawildflower · August-SeptemberLeafy ArnicaArnica chamissoniswildflower · July–AugustLeafy AsterSymphyotrichum foliaceumwildflower · July-SeptemberLow BilberryVaccinium myrtillusshrub · May-JuneMarsh CinquefoilComarum palustrewildflower · June–AugustMountain GentianGentiana calycosawildflower · Aug-SepNarrow-leaved HawkweedHieracium umbellatumwildflower · Jul-SepNodding OnionAllium cernuumwildflower · June–AugustNorthern GentianGentianella amarellawildflower · July–SeptemberNorthern HedysarumHedysarum borealewildflower · Jun-JulPale AgoserisAgoseris glaucawildflower · June–JulyPearly EverlastingAnaphalis margaritaceawildflower · July–SeptemberPhiladelphia FleabaneErigeron philadelphicuswildflower · May–JulyPink Monkey FlowerErythranthe lewisiiwildflower · July-AugustPlains WormwoodArtemisia campestriswildflower · Aug-SepPrairie GentianGentiana affiniswildflower · August-SeptemberPrairie GoldenrodSolidago missouriensiswildflower · July-AugustPrickly Wild RoseRosa acicularisshrub · June–JulyPurple Prairie CloverDalea purpureawildflower · July–AugustRabbitbrushEricameria nauseosashrub · August-OctoberRed ColumbineAquilegia formosawildflower · May-JulyRiver BeautyChamaenerion latifoliumwildflower · June-AugustRocky Mountain BeeplantPeritoma serrulatawildflower · June-SeptemberRound-leaved AlumrootHeuchera cylindricawildflower · June–JulySaline Shooting StarPrimula pauciflorawildflower · May-JunSelf-healPrunella vulgariswildflower · June–AugustShowy AsterEurybia conspicuawildflower · July–SeptemberShowy FleabaneErigeron speciosuswildflower · June–AugustShowy Jacob's-ladderPolemonium pulcherrimumwildflower · May-JulShrubby CinquefoilDasiphora fruticosashrub · June–SeptemberSilky LupineLupinus sericeuswildflower · Jun-AugSilvery LupineLupinus argenteuswildflower · Jun-AugSitka ValerianValeriana sitchensiswildflower · Jun-AugSlender Blue BeardtonguePenstemon proceruswildflower · Jun-JulSlender Cinquefoil (Graceful Cinquefoil)Potentilla graciliswildflower · June–AugustSmooth AsterSymphyotrichum laevewildflower · August–OctoberSmooth Blue BeardtonguePenstemon nitiduswildflower · May–JuneSpreading DogbaneApocynum androsaemifoliumwildflower · June–AugustSticky Purple GeraniumGeranium viscosissimumwildflower · June–JulyStiff GoldenrodSolidago rigidawildflower · August–SeptemberSulphur HedysarumHedysarum sulphurescenswildflower · Jun-JulTall CinquefoilDrymocallis argutawildflower · June–AugustTall Lungwort (Blue Bells)Mertensia paniculatawildflower · June–JulyThimbleberryRubus parviflorusshrub · June–JulyUmbrella BuckwheatEriogonum umbellatumwildflower · June-AugustVelvet-leaf BlueberryVaccinium myrtilloidesshrub · May–JuneWater SmartweedPersicaria amphibiawildflower · June–SeptemberWestern Blue IrisIris missouriensiswildflower · May-JulyWestern SnowberrySymphoricarpos occidentalisshrub · June–JulyWhite GeraniumGeranium richardsoniiwildflower · June–AugustWhite Prairie AsterSymphyotrichum falcatumwildflower · August–SeptemberWild BergamotMonarda fistulosawildflower · July–AugustWild LicoriceGlycyrrhiza lepidotawildflower · June–AugustWild MintMentha canadensiswildflower · July–AugustWild RaspberryRubus idaeusshrub · June–JulyWild StrawberryFragaria virginianagroundcover · May–JuneWild VetchVicia americanavine · June–JulyWood Betony (Bracted Lousewort)Pedicularis bracteosawildflower · June–AugustWoodland StrawberryFragaria vescagroundcover · May–JuneWoods' RoseRosa woodsiishrub · Jun-JulWoolly GroundselPackera canawildflower · May–JuneYellow BeardtonguePenstemon confertuswildflower · May-JulYellow BuckwheatEriogonum flavumwildflower · Jun-AugYellow ColumbineAquilegia flavescenswildflower · June–AugustYellow Monkey FlowerErythranthe guttatawildflower · Jun-AugYellow Owl CloverOrthocarpus luteuswildflower · July-SeptemberYellow PuccoonLithospermum ruderalewildflower · April-JuneYellow RattleRhinanthus minorwildflower · June–August

gathers pollen at

BearberryArctostaphylos uva-ursigroundcover · May–JuneBoreal YarrowAchillea borealiswildflower · June-AugustCommon SnowberrySymphoricarpos albusshrub · June–JulyFireweedChamaenerion angustifoliumwildflower · July-AugustLilac PenstemonPenstemon graciliswildflower · June–JulyNodding OnionAllium cernuumwildflower · June–AugustShowy FleabaneErigeron speciosuswildflower · June–AugustSilky LupineLupinus sericeuswildflower · Jun-AugSlender Blue BeardtonguePenstemon proceruswildflower · Jun-JulSpring BeautyClaytonia lanceolataherb · April–MaySticky Purple GeraniumGeranium viscosissimumwildflower · June–JulyTall LarkspurDelphinium glaucumwildflower · Jul-AugTwinflowerLinnaea borealisgroundcover · June–JulyUmbrella BuckwheatEriogonum umbellatumwildflower · June-AugustWhite GeraniumGeranium richardsoniiwildflower · June–AugustWild BergamotMonarda fistulosawildflower · July–AugustWild RaspberryRubus idaeusshrub · June–JulyWild StrawberryFragaria virginianagroundcover · May–JuneYellow Monkey FlowerErythranthe guttatawildflower · Jun-AugYellow PuccoonLithospermum ruderalewildflower · April-June