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| scientific name | common name(s) | image gallery |
| Achillea millefolium | Common yarrow Yarrow Milfoil Western yarrow | |
| Ageratina altissima | White snakeroot | |
| Agastache nepetoides | Yellow giant hyssop | |
| Allium canadense | Meadow garlic Wild garlic Wild onion | |
| Allium cernuum | Nodding onion | |
| Amelanchier canadensis | Canadian serviceberry Canadian service-berry Shadblow serviceberry Juneberry | |
| Angelica atropurpurea | Purplestem angelica | |
| Anemone canadensis | Canadian anemone Round-leaf thimbleweed Canada anemone Windflower Meadow anemone | |
| Anemone cylindrica | Candle anemone Long-head thimbleweed Thimbleweed | |
| Antennaria neglecta | Field pussytoes Prairie everlasting | |
| Antennaria plantaginifolia | Plantain-leaf Pussytoes Woman's tobacco Ladies' tobacco Everlasting Mouse ear | |
| Angelica venenosa | Hairy angelica | |
| Apocynum androsaemifolium | Spreading dogbane Bitterroot Flytrap dogbane | |
| Apocynum cannabinum | Indian hemp Prairie dogbane Dogbane Hemp dogbane | |
| Arnoglossum atriplicifolium | Pale Indian plaintain | |
| Artemisia douglasiana | Douglas mugwort Douglas' sagewort | |
| Arnoglossum ovatum | Ovateleaf cacalia | |
| Arnoglossum plantagineum | Groovestem Indian plaintain Indian plantain Prairie plantain Prairie Indian plantain | |
| Asclepias albicans | White-stemmed Milkweed Whitestem milkweed | |
| Asclepias amplexicaulis | Clasping milkweed | |
| Asclepias arenaria | Sand milkweed | |
| Asclepias asperula | Spider milkweed Antelope horns Green-flowered milkweed Spider antelope-horns | |
| Asclepias asperula ssp. capricornu | Antelopehorns Antelope horns | |
| Asclepias brachystephana | Bract milkweed | |
| 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 | |
| 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 | Pineneedle milkweed Needle-Leaf Milkweed | |
| Asclepias longifolia | Longleaf milkweed | |
| Asclepias michauxii | Michaux's Milkweed | |
| Asclepias obovata | Pineland Milkweed | |
| Asclepias oenotheroides | Zizotes milkweed Hierba de Zizotes Longhorn milkweed Side-cluster milkweed Primrose milkweed Lindheimer's milkweed | |
| Asclepias ovalifolia | Oval-leaf milkweed Dwarf milkweed | |
| Asclepias perennis | 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 milkweed Orange milkweed Pleurisy root | |
| Asclepias variegata | Redring milkweed White-flowered milkweed | |
| Asclepias verticillata | Whorled milkweed Eastern whorled milkweed | |
| Asclepias viridiflora | Green milkweed Green comet milkweed Green antelopehorn milkweed | |
| Asclepias viridis | Green antelopehorn Green milkweed | |
| Baccharis pilularis | Coyotebrush Chaparral broom Coyote bush | |
| Bidens aristosa | Bearded beggarticks Tickseed sunflower | |
| Bidens frondosa | Devil's beggartick Spanish needles | |
| Bidens laevis | Smooth beggartick Smooth bidens Smooth bur marigold Larger bur marigold | |
| Blephilia ciliata | Downy pagoda plant Sunny woodmint Ohio horsemint | |
| Boltonia asteroides | Boltonia White doll's daisy | |
| Ceanothus americanus | New Jersey tea Redroot | |
| Ceanothus arboreus | Feltleaf Feltleaf ceanothus Island ceanothus Island mountain lilac | |
| Ceanothus cordulatus | Mountain whitethorn Snow bush Whitethorn ceanothus | |
| Ceanothus cuneatus | Buckbrush | |
| Ceanothus fendleri | Fendler ceanothus Fendler's ceanothus | |
| Ceanothus gloriosus var. exaltatus | Point Reyes ceanothus Glory brush | |
| Ceanothus gloriosus var. gloriosus | Point Reyes ceanothus Glory mat | |
| Ceanothus greggii | Desert ceanothus | |
| Ceanothus griseus | Carmel ceanothus Carmel creeper Yankee Point ceanothus | |
| Ceanothus greggii var. vestitus | Mojave ceanothus Desert ceanothus | |
| 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 | |
| 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 | |
| Chamaecrista fasciculata | Partridge pea Sleepingplant Sensitive plant | |
| Chamaecrista fasciculata var. fasciculata | Partridge pea Showy Partridge-pea Beeflower | |
| Cicuta maculata | Spotted water hemlock Water-Hemlock Beaver Poison | |
| Claytonia virginica | Virginia springbeauty Springbeauty | |
| Cornus amomum | Silky dogwood Red willow Silky cornel | |
| Conoclinium coelestinum | Blue mistflower | |
| Cornus florida | Flowering dogwood Virginia dogwood | |
| Coreopsis lanceolata | Lanceleaf coreopsis Lanceleaf tickseed Lance-leaved coreopsis Sand coreopsis | |
| Coreopsis palmata | Stiff tickseed Stiff coreopsis Finger coreopsis | |
| scientific name | common name(s) | image gallery |