Cicuta maculata (Water Hemlock)
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Poisonous!
Cimicifuga racemosa (Black Cohosh)
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Black Cohosh is also referred to as Bugbane.
Cinna arundinacea (Wood Reed Grass)
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New!
Cirsium discolor (Pasture Thistle)
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Native thistles can be identified by examining the underside of the leaves. The downy white underside contrasts with the green topside. Additionally, native thistles are noticeably less prickly. Pasture Thistle is a biennial.
Claytonia virginica (Spring Beauty)
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Clematis virginiana (Virgin's Bower)
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A perennial vine nicknamed "Prairie Smoke on a Rope" for its look in the Fall. A great climber for partial to full shade.
Cleome serrulata (Rocky Mountain Bee Plant)
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Rocky Mountain Bee Plant lives for one year (an annual) but it will re-seed! The pink flowers of attract bees and the seeds are important food for doves and other small birds. It is drought tolerant!
Comandra umbellata (Bastard Toadflax)
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Bastard Toadflax is a hemiparasitic species in the Sandalwood family that will often attach to a host plant to meet nutritional and/or water needs.
Coreopsis lanceolata (Lance-leaf Coreposis)
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Lance-leaf Coreopsis waves brightly in late spring and early summer on sunny sites with medium-dry or sandy soil. The bright yellow, daisy-like flowers are about 1 1/2" in diameter and bloom singly on long stems.
Coreopsis palmata (Prairie Coreposis)
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Prairie Coreopsis matures to a height of just 2'. It prefers medium to dry soil conditions and sets striking yellow flowers for 3-4 weeks, usually in June and July. Beekeepers consider all Coreopsis species to be good honey sources.
Coreopsis tripteris (Tall Coreposis)
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Crotalaria sagittalis (Rattlebox)
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Cryptotaenia canadensis (Honewort)
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Cyperus houghtonii (Houghton's Flat Sedge)
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New!
Dalea candida (White Prairie Clover)
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Before flowering, it can be easy to tell the White from the Purple Prairie Clover by looking at the leaves. Narrow on the Purple, wide on the White Prairie Clover. See corresponding photo.
Dalea foliosa (Leafy Prairie Clover)
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New!
Dalea purpurea (Purple Prairie Clover)
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Before flowering, it can be easy to tell the Purple from the White Prairie Clover by looking at the leaves. Wide on the White, narrow on the Purple Prairie Clover.
Dalea villosum (Silky Prairie Clover)
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Danthonia spicata (Poverty Oat Grass)
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Delphinium carolinianum (Wild Blue Larkspur)
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Delphinium exaltatum (Tall Larkspur)
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This Larkspur has a much later bloom time than other Delphinium species. It is blooming in July when others, like Wild Blue Larkspur, are already dormant.
Delphinium tricorne (Dwarf Larkspur)
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Delphinium virescens (Prairie Larkspur)
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Delphinium virescens (Prairie Larkspur) is considered a subspecies of D. carolinianum (Wild Blue Larkspur) so can also be called Delphinium carolinianum ssp. virescens. Prairie Larkspur is usually white whereas Wild Blue Larkspur is usually blue.
Desmanthus illinoensis (Illinois Bundle Flower)
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Desmodium canadense (Showy Tick Trefoil)
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The nectar, pollen, seeds and foliage of Showy Tick Trefoil appeal to a number of insects, birds and mammals.




