Special Collections
Special Value to Bumble Bees
Recognized by pollination ecologists as attracting large numbers of bumble bees. This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Agastache foeniculum | Blue Giant Hyssop Blue Giant-hyssop Fragrant Giant Hyssop Lavender Hyssop Anise Hyssop | |
| Agastache nepetoides | Yellow Giant Hyssop | |
| Agastache scrophulariifolia | Purple Giant Hyssop Purple Giant-hyssop | |
| Agastache urticifolia | Nettleleaf Giant Hyssop Nettle-leaf Horsemint | |
| Asclepias albicans | Whitestem Milkweed White-stemmed Milkweed | |
| Asclepias amplexicaulis | Clasping Milkweed Bluntleaf Milkweed | |
| Astragalus americanus | American Milkvetch American Milk-vetch Rattlepod | |
| Asclepias arenaria | Sand Milkweed Western Sand Milkweed | |
| Asclepias asperula | Antelope-horns Spider Milkweed Green-flowered Milkweed Spider Antelope-horns Antelope Horns | |
| Asclepias asperula ssp. capricornu | Antelope-horns Antelope Horns Antelope Horns Milkweed | |
| Asclepias brachystephana | Bract Milkweed Desert-rose Milkweed | |
| Astragalus canadensis | Canadian Milkvetch Canada Milkvetch Milk Vetch | |
| Asclepias californica | California Milkweed | |
| Asclepias cryptoceras | Pallid Milkweed Humboldt Mountain Milkweed | |
| Asclepias engelmanniana | Engelmann's Milkweed | |
| Asclepias eriocarpa | Woollypod Milkweed | |
| Asclepias exaltata | Poke Milkweed | |
| Asclepias fascicularis | Mexican Whorled Milkweed Narrowleaf Milkweed | |
| Asclepias hirtella | Green Milkweed Tall Green Milkweed | |
| Asclepias humistrata | Pinewoods Milkweed Sandhill Milkweed | |
| Asclepias incarnata | Swamp Milkweed Pink Milkweed | |
| Asclepias incarnata ssp. incarnata | Swamp Milkweed | |
| Asclepias incarnata ssp. pulchra | Swamp Milkweed | |
| Asclepias lanceolata | Fewflower Milkweed Few-flower Milkweed Red Milkweed | |
| Asclepias latifolia | Broadleaf Milkweed | |
| Asclepias linearis | Slim Milkweed | |
| Asclepias linaria | Pine-needle Milkweed Needle-leaf Milkweed | |
| Asclepias longifolia | Longleaf Milkweed | |
| Asclepias michauxii | Michaux's Milkweed | |
| Asclepias obovata | Pineland Milkweed | |
| Asclepias oenotheroides | Zizotes Milkweed Hierba De Zizotes Side-cluster Milkweed Longhorn Milkweed Primrose Milkweed Lindheimer's Milkweed | |
| Asclepias ovalifolia | Oval-leaf Milkweed Dwarf Milkweed | |
| Asclepias perennis | White Swamp Milkweed Aquatic Milkweed | |
| Asclepias purpurascens | Purple Milkweed | |
| Asclepias quadrifolia | Fourleaf Milkweed | |
| Asclepias rubra | Red Milkweed Tall Pink Bog Milkweed | |
| Asclepias speciosa | Showy Milkweed | |
| Asclepias stenophylla | Slimleaf Milkweed Narrowleaf Milkweed Narrowleaf Green Milkweed | |
| Asclepias subulata | Rush Milkweed Desert Milkweed Ajamete | |
| Asclepias subverticillata | Horsetail Milkweed Poison Milkweed | |
| Asclepias sullivantii | Prairie Milkweed Sullivant's Milkweed Smooth Milkweed | |
| Asclepias syriaca | Common Milkweed | |
| Asclepias texana | Texas Milkweed White Milkweed | |
| Asclepias tomentosa | Tuba Milkweed | |
| Asclepias tuberosa | Butterflyweed Butterfly Weed Butterfly Milkweed Orange Milkweed Pleurisy Root Chigger Flower Chiggerweed | |
| Asclepias variegata | Redring Milkweed White-flowered Milkweed | |
| Asclepias verticillata | Whorled Milkweed Eastern Whorled Milkweed | |
| Asclepias viridiflora | Green Comet Milkweed Green-flowered Milkweed Green Milkweed Wand Milkweed | |
| Asclepias viridis | Green Milkweed Spider Milkweed | |
| Baptisia alba | White Wild Indigo White Baptisia | |
| Baptisia alba var. macrophylla | Largeleaf Wild Indigo White Wild Indigo | |
| Baptisia australis | Blue Wild Indigo Wild Blue Indigo Blue False Indigo | |
| Baptisia australis var. minor | Blue Wild Indigo | |
| Baptisia bracteata | Longbract Wild Indigo | |
| Baptisia bracteata var. laevicaulis | Longbract Wild Indigo | |
| Baptisia bracteata var. leucophaea | Longbract Wild Indigo Cream False Indigo Plains Wild Indigo Cream Wild Indigo Large-bracted Wild Indigo | |
| Baptisia lanceolata | Gopherweed Pineland Baptisia | |
| Baptisia nuttalliana | Nuttall's Wild Indigo | |
| Balsamorhiza sagittata | Arrowleaf Balsamroot Arrow-leaf Balsamroot | |
| Baptisia sphaerocarpa | Yellow Wild Indigo Green Wild Indigo Bush Pea Yellow Wisteria | |
| Baptisia tinctoria | Horseflyweed Yellow Wild Indigo | |
| Blephilia ciliata | Downy Pagoda-plant Sunny Woodmint Ohio Horsemint | |
| Cercis canadensis | Eastern Redbud Redbud | |
| Cercis canadensis var. canadensis | Eastern Redbud | |
| Cercis canadensis var. mexicana | Mexican Redbud | |
| Cercis canadensis var. texensis | Texas Redbud | |
| Ceanothus griseus | Carmel Ceanothus Carmel Creeper Yankee Point Ceanothus | |
| Cephalanthus occidentalis | Common Buttonbush Buttonbush Button Willow Honey Bells Honeybells Honey Balls Honeyballs Button-bush | |
| Cercis orbiculata | California Redbud Western Redbud Arizona Redbud Pata De Vaca | |
| Ceanothus tomentosus | Woolyleaf Ceanothus Woolly-leaf Mountain Lilac Ramona Lilac | |
| Chamaecrista fasciculata | Partridge Pea Sleepingplant Sensitive Plant | |
| Chamaecrista fasciculata var. fasciculata | Partridge Pea Showy Partridge-pea Beeflower | |
| Cirsium arizonicum | Arizona Thistle | |
| Cirsium brevistylum | Clustered Thistle Indian Thistle Short-style Thistle | |
| Cirsium canescens | Prairie Thistle | |
| Cirsium cymosum | Peregrine Thistle | |
| Cirsium discolor | Field Thistle | |
| Cirsium drummondii | Dwarf Thistle | |
| Cirsium edule | Edible Thistle | |
| Cirsium engelmannii | Engelmann's Thistle | |
| Cirsium flodmanii | Flodman's Thistle | |
| Cirsium foliosum | Elk Thistle | |
| Cirsium horridulum | Bristle Thistle Yellow Thistle Horrid Thistle Purple Thistle Spiny Thistle Bull Thistle | |
| Cirsium mohavense | Mojave Thistle | |
| Cirsium muticum | Swamp Thistle | |
| Cirsium neomexicanum | New Mexico Thistle Utah Thistle | |
| Cirsium occidentale | Cobwebby Thistle | |
| Cirsium ochrocentrum | Yellowspine Thistle | |
| Cirsium occidentale var. candidissimum | Snowy Thistle | |
| Cirsium occidentale var. occidentale | Cobwebby Thistle | |
| Cirsium peckii | Steen Mountain Thistle Ghost Thistle | |
| Cirsium pitcheri | Sand Dune Thistle | |
| Cirsium pumilum | Pasture Thistle | |
| Cirsium scariosum | Meadow Thistle | |
| Cirsium texanum | Texas Thistle | |
| Cirsium turneri | Cliff Thistle | |
| Cirsium undulatum | Wavyleaf Thistle Plumed Thistle | |
| Cirsium wheeleri | Wheeler's Thistle | |
| Clethra acuminata | Mountain Pepperbush Mountain Sweet Pepperbush Cinnamon Clethra | |
| Clethra alnifolia | Coastal Pepperbush Coastal Sweet Pepperbush Coastal Sweet Pepper Alderleaf Pepperbush Alderleaf Clethra Clethra Summer Sweet | |
| scientific name | common name(s) | image gallery |
