Wildflowers - Species with Opposite/Whorled leaves

• Anemone, Long-fruited (Anemone cylindrica)
• Anemone, Wood (Anemone quinquefolia)
• Archangel, Yellow (Lamiastrum galeobdolon)
• Bedstraw, Labrador (Galium labradoricum)
• Bower, Virgin's (Clematis virginiana)
• Bunchberry (Cornus canadensis)
• Calamint, Low (Clinopodium arkansanum)
• Campion, Bladder (Silene vulgaris)
• Campion, Red (Lychnis dioica)
• Campion, White (Silene latifolia)
• Catchfly, Night-flowering (Silene noctiflora)
• Centaury (Centaurium erythraea)
• Chickweed, Field (Cerastium arvense)
• Chickweed, Mouse-ear (Cerastium fontanum)
• Clearweed (Pilea pumila)
• Coreopsis, Tall (Coreopsis tripteris)
• Cranesbill, Bicknell's (Geranium bicknellii)
• Creeper, Trumpet (Campsis radicans)
• Culver's Root (Veronicastrum virginicum)
• Geranium, Wild (Geranium maculatum)
• Herb Robert (Geranium robertianum)
• Honeysuckle, Bush (Diervilla lonicera)
• Horsemint (Monarda punctata)
• Hyssop, Yellow Giant (Agastache nepetoides)
• Ivy, Ground (Glechoma hederacea)
• Joe Pye Weed, Sweet-scented (Eutrochium purpureum)
• Lily, Michigan (Lilium michiganense)
• Lily, Wood (Lilium philadelphicum)
• Lopseed (Phryma leptostachya)
• Mint, Downy Wood (Blephilia ciliata)
• Miterwort (Mitella diphylla)
• Monkey Flower, Square-stemmed (Mimulus ringens)
• Mountain Mint, Virginia (Pycnanthemum virginianum)
• Nightshade, Enchanter's (Circaea canadensis)
• Oxeye (Heliopsis helianthoides)
• Partridgeberry (Mitchella repens)
• Pennyroyal, False (Trichostema brachiatum)
• Periwinkle (Vinca minor)
• Pipsissewa (Chimaphila umbellata)
• Poppy, Celandine (Stylophorum diphyllum)
• Purslane, Milk (Euphorbia maculata)
• Speedwell, Bird's-eye (Veronica chamaedrys)
• Speedwell, Common (Veronica officinalis)
• Speedwell, Marsh (Veronica scutellata)
• Speedwell, Persian (Veronica persica)
• Speedwell, Slender (Veronica filiformis)
• Speedwell, Thyme-leaved (Veronica serpyllifolia)
• Speedwell, Water (Veronica anagallis-aquatica)
• Swallowwort, Black (Cynanchum louiseae)
• Swallowwort, White (Cynanchum vincetoxicum)
• Tea, Oswego (Monarda didyma)
• Teasel (Dipsacus fullonum)
• Thimbleweed (Anemone virginiana)
• Trillium, Nodding (Trillium cernuum)
• Trillium, Painted (Trillium undulatum)
• Trillium, Red (Trillium erectum)
• Trillium, White (Trillium grandiflorum)
• Trillium, Yellow (Trillium luteum)
• Twayblade, Auricled (Neottia auriculata)
• Twinflower (Linnaea borealis)
• Vervain, Blue (Verbena hastata)
• Vervain, Hoary (Verbena stricta)
• Woodruff, Sweet (Galium odoratum)