Flowering Plants Visited
by Bombus
fraternus
Bombus fraternus Smith: Apidae (Bombini), Hymenoptera
(observations are from Robertson, Mitchell, Clinebell & Bernhardt, Clinebell, Smith et al., and Wilhelm & Rericha)
Apiaceae: Eryngium yuccifolium (Mch), Zizia aurea sn (Rb); Asclepiadaceae: Asclepias hirtella [plpr sn fq] (Rb), Asclepias incarnata [plpr sn fq] (Rb), Asclepias sullivanti [plpr sn] (Rb), Asclepias tuberosa [plup sn] (Smh), Asclepias viridiflora [plup sn fq] (Rb, Smh); Asteraceae: Aster sp. (Smh), Aster novae-angliae sn (Rb), Aster pilosus sn (Rb), Bidens aristosa sn (Rb), Bidens cernua sn (Rb), Boltonia asterioides sn (Rb), Brickellia eupatorioides (Mch), Cirsium altissimum sn (Rb), Cirsium discolor sn cp (Rb), Echinacea purpurea sn (Rb), Eupatorium sp. (Smh), Eupatorium altissimum sn (Rb), Eupatorium perfoliatum sn (Rb), Eupatorium serotinum sn cp (Rb), Euthamia graminifolia sn (Rb), Helenium autumnale sn (Rb), Helianthus divaricatus sn cp (Rb), Helianthus grosseserratus sn fq (Rb), Helianthus pauciflorus sn (Rb), Krigia biflora sn (Rb), Liatris aspera (Cl), Liatris pycnostachya (Cl), Liatris spicata (Smh), Liatris squarrosa (Smh), Ratibida pinnata sn fq (Rb, Smh), Rudbeckia hirta (Smh), Rudbeckia laciniata sn (Rb), Rudbeckia triloba sn (Rb), Silphium laciniatum (Smh), Silphium perfoliatum sn (Rb), Solidago canadensis sn (Rb), Vernonia baldwinii (WR); Boraginaceae: Lithospermum canescens sn (Rb); Caesalpiniaceae: Chamaecrista fasciculata [flwr cp fq] (Rb, Smh); Fabaceae: Dalea candida sn fq (Rb, Smh), Dalea purpurea sn cp fq (Rb, Smh), Melilotus alba sn (Rb), Orbexilum onobrychis sn (Rb), Robinia pseudoacacia sn (Rb), Trifolium pratense sn (Rb); Hippocastanaceae: Aesculus hippocastanum sn (Rb); Hypericaceae: Hypericum sphaerocarpum cp (Smh); Lamiaceae: Pycnanthemum tenuifolium sn (Rb, Smh), Pycnanthemum virginianum sn (Rb), Pycnanthemum virginianum sn (Rb), Teucrium canadense sn (Rb); Nelumbonaceae: Nelumbo lutea exp np (Rb); Rubiaceae: Cephalanthus occidentalis sn (Rb); Scrophulariaceae: Agalinis tenuifolia sn (Rb), Collinsia verna sn (Rb), Penstemon digitalis sn fq (CB); Solanaceae: Solanum carolinense cp (Rb); Verbenaceae: Verbena stricta sn (Rb)