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 |
| 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 |
