Two Form Bumble Bee

Bombus bifarius Cresson 1879

visit flowers of

• Global Biotic Interactions: Sedum lanceolatum Torr. (spearleaf stonecrop)
• Global Biotic Interactions: Boechera retrofracta (Graham) A. Löve & D. Löve (Reflexed Rockcress)
• Global Biotic Interactions: Mertensia ciliata (James ex Torr.) G. Don (tall fringed bluebells)
• Global Biotic Interactions: Gutierrezia sarothrae (Pursh) Britt. & Rusby (broom snakeweed)
• Global Biotic Interactions: Astragalus gilviflorus Sheld. (plains milkvetch)
• Global Biotic Interactions: Rosa woodsii Lindl. (Woods' rose)
• Global Biotic Interactions: Lonicera utahensis S. Wats. (Utah honeysuckle)
• Global Biotic Interactions: Lactuca tatarica (L.) C. A. Meyer (blue lettuce)
• Global Biotic Interactions: Lupinus sericeus Pursh (silky lupine)
• Global Biotic Interactions: Spiraea betulifolia Pall. (white spirea)
• Global Biotic Interactions: Symphyotrichum laeve (L.) A. Löve & D. Löve (smooth blue aster)
• Global Biotic Interactions: Melilotus officinalis (L.) Pall. (Common Melilot)
• Global Biotic Interactions: Centaurea stoebe L. (spotted knapweed)
• Global Biotic Interactions: Epilobium angustifolium subsp. angustifolium (Narrow-Leaf Fireweed)
• Global Biotic Interactions: Chimaphila umbellata (L.) W. Barton (pipsissewa)
• Global Biotic Interactions: Linaria dalmatica (L.) Mill. (Dalmatian toadflax)
• Global Biotic Interactions: Trifolium dasyphyllum Torr. & A. Gray (Uinta Clover)
• Global Biotic Interactions: Hymenoxys hoopesii (A. Gray) M. W. Bierner (owl's-claws)
• Global Biotic Interactions: Cirsium arvense (L.) Scop. (Creeping Thistle)
• Global Biotic Interactions: Vaccinium membranaceum Dougl. ex Hook. Torr. (thinleaf huckleberry)
• Global Biotic Interactions: Polemonium foliosissimum A. Gray (towering Jacob's-ladder)
• Global Biotic Interactions: Crepis occidentalis Nutt. (largeflower hawksbeard)
• Global Biotic Interactions: Senecio integerrimus Nutt. (lambstongue ragwort)
• Global Biotic Interactions: Ceanothus velutinus Dougl. (snowbrush ceanothus)
• Global Biotic Interactions: Trifolium repens L. (white clover)
• Global Biotic Interactions: Trifolium pratense L. (Red Clover)
• Global Biotic Interactions: Penstemon procerus Dougl. ex Graham (littleflower penstemon)
• Global Biotic Interactions: Gaillardia aristata Pursh (Common perennial gaillardia)
• Global Biotic Interactions: Allium cernuum Roth (Lady's leek)
• Global Biotic Interactions: Trifolium repens L. (white clover)
• Global Biotic Interactions: Astragalus alpinus L. (alpine milkvetch)
• Global Biotic Interactions: Dasiphora fruticosa (L.) Rydb. (Golden-Hardhack)
• Global Biotic Interactions: Allium tuolumnense (Ownbey & Aase ex Traub) S. S. Denison & McNeal (Rawhide HIll onion)
• Global Biotic Interactions: Hedysarum sulphurescens Rydb. (white sweetvetch)
• Global Biotic Interactions: Penstemon confertus attenuatus
• Global Biotic Interactions: Allium elmendorfii M. E. Jones ex Ownbey (Elmendorf's onion)
• Global Biotic Interactions: Pilosella scouleri (Hook.) F. W. Schultz & Sch. Bip. (Scouler's woollyweed)
• Global Biotic Interactions: Lupinus argenteus Pursh (Silver-stem Lupine)
• Global Biotic Interactions: Allium hickmanii Eastw. (Hickman's Onion)
• Global Biotic Interactions: Lupinus guadalupensis C. P. Sm. (Guadalupe Island lupine)
• Global Biotic Interactions: Cirsium vulgare (Savi) Ten. (Spear Thistle)
• Global Biotic Interactions: Penstemon confertus Dougl. (yellow penstemon)
• Global Biotic Interactions: Dalea searlsiae (A. Gray) Barneby (Searls' prairie clover)
• Global Biotic Interactions: Eurybia conspicua (Lindl.) G. L. Nesom (western showy aster)
• Global Biotic Interactions: Crepis atribarba A. A. Heller (slender hawksbeard)
• Global Biotic Interactions: Liatris punctata Hook. (dotted blazing star)
• Global Biotic Interactions: Symphoricarpos albus (L.) C. Koch (common snowberry)
• Global Biotic Interactions: Dalea ornata (Hook.) Eaton & Wright (Blue Mountain Prairie-clover)
• Global Biotic Interactions: Symphyotrichum falcatum (Lindl.) G. L. Nesom (white prairie aster)
• Global Biotic Interactions: Rubus parviflorus Nutt. (thimbleberry)
• Global Biotic Interactions: Helianthella quinquenervis (Hook.) A. Gray (Aspen Sunflower)
• Global Biotic Interactions: Asclepias welshii N. H. Holmgren & P. K. Holmgren (Welsh's milkweed)
• Global Biotic Interactions: Rudbeckia occidentalis Nutt. (western coneflower)
• Global Biotic Interactions: Ribes cereum Dougl. (wax currant)