Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Ceanothus herbaceus | Redroot Prairie redroot Jersey tea Inland Ceanothus Fuzzy Ceanothus | |
| Ceanothus hearstiorum | Hearst Ranch buckbrush | |
| Ceanothus impressus | Santa Barbara ceanothus Santa Barbara buckbrush | |
| Ceanothus integerrimus | Deerbrush | |
| Ceanothus leucodermis | Chaparral whitethorn Jackbrush | |
| Ceanothus maritimus | Maritime ceanothus Bluff california lilac | |
| Ceanothus megacarpus | Big-pod buckbrush Big-pod ceanothus Bigpod ceanothus | |
| Cephalanthus occidentalis | Common buttonbush Buttonbush Button willow | |
| Cercis orbiculata | California redbud Western redbud Arizona redbud Pata de vaca | |
| Ceanothus parvifolius | Littleleaf ceanothus | |
| Ceanothus purpureus | Hollyleaf ceanothus | |
| Ceanothus sanguineus | Oregon Teatree Redstem ceanothus Wild lilac | |
| Ceanothus spinosus | Redheart Greenbark ceanothus Red-heart mountain lilac | |
| Ceanothus thyrsiflorus | Blue blossom Blueblossom Bluebrush | |
| Ceanothus tomentosus | Woolyleaf ceanothus Woolly-leaf mountain lilac Ramona lilac | |
| Ceanothus velutinus | Snowbrush Snowbrush ceanothus Tobacco-brush Mountain balm Buckbush | |
| Chamerion angustifolium | Fireweed Willow herb | |
| Chamaecrista fasciculata | Partridge pea Sleepingplant Sensitive plant | |
| Chamaecrista fasciculata var. fasciculata | Partridge pea Showy Partridge-pea Beeflower | |
| Chamerion latifolium | Broad-leaf fireweed Dwarf fireweed | |
| 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 | Yellow 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 alnifolia | Coastal sweet pepperbush Clethra Summer sweet | |
| Clarkia amoena | Farewell to spring Farewell-to-spring Herald-of-summer | |
| Clarkia biloba | Twolobe clarkia | |
| Clarkia concinna | Red ribbons Redribbons | |
| scientific name | common name(s) | image gallery |