| Hoary Frostweed | Crocanthemum | bicknellii | | 8 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Canadian Frostweed | Crocanthemum | canadense | | 59 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Low Frostweed | Crocanthemum | propinquum | | 15 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Pine Barren Golden-heather | Hudsonia | ericoides | | 1 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Woolly Beach-heather | Hudsonia | tomentosa | | 60 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Beach Pinweed | Lechea | maritima | | 16 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Thyme-leaved Pinweed | Lechea | minor | | 12 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Hairy Pinweed | Lechea | mucronata | | 5 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Leggett's Pinweed | Lechea | pulchella | | 20 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Illinois Pinweed | Lechea | racemulosa | | 64 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Narrow-leaved Pinweed | Lechea | tenuifolia | | 5 | Rock-rose Family | Cistaceae | Violales | Magnoliopsida | Plantae |
| Watermelon | Citrullus | lanatus var. lanatus | | 3 | Cucumber Family | Cucurbitaceae | Violales | Magnoliopsida | Plantae |
| Ctenolepis | Ctenolepis | cerasiformis | | 1 | Cucumber Family | Cucurbitaceae | Violales | Magnoliopsida | Plantae |
| Wild Cucumber | Echinocystis | lobata | | 23 | Cucumber Family | Cucurbitaceae | Violales | Magnoliopsida | Plantae |
| Creeping Cucumber | Melothria | pendula | | 73 | Cucumber Family | Cucurbitaceae | Violales | Magnoliopsida | Plantae |
| Oneseed Cucumber | Sicyos | angulatus | | 264 | Cucumber Family | Cucurbitaceae | Violales | Magnoliopsida | Plantae |
| Fetid Passionflower | Passiflora | foetida | | 1 | Passionflower Family | Passifloraceae | Violales | Magnoliopsida | Plantae |
| Purple Passionflower | Passiflora | incarnata | | 128 | Passionflower Family | Passifloraceae | Violales | Magnoliopsida | Plantae |
| Yellow Passionflower | Passiflora | lutea | | 182 | Passionflower Family | Passifloraceae | Violales | Magnoliopsida | Plantae |
| Eastern Green Violet | Hybanthus | concolor | | 44 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Sand Violet | Viola | affinis | | 11 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Appalachian Violet | Viola | appalachiensis | | 2 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| European Field Pansy | Viola | arvensis | | 271 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Field Pansy | Viola | bicolor | | 547 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Sweet White Violet | Viola | blanda | | 68 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Northern Coastal Violet | Viola | brittoniana | | 64 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Canadian White Violet | Viola | canadensis | | 51 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Marsh Blue Violet | Viola | cucullata | | 165 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Salad Violet | Viola | esculenta | | 3 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Halberd-leaved Yellow Violet | Viola | hastata | | 61 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Southern Woodland Violet | Viola | hirsutula | | 53 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Alpine Violet | Viola | labradorica | | 71 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Lance-leaved Violet | Viola | lanceolata | | 96 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Small White Violet | Viola | macloskeyi ssp. pallens | | 23 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Sweet Violet | Viola | odorata | | 4 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Early Blue Violet | Viola | palmata | | 139 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Bird's-foot Violet | Viola | pedata | | 281 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Primrose-leaved Violet | Viola | primulifolia | | 210 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Downy Yellow Violet (pubescens) | Viola | pubescens var. pubescens | | 60 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Downy Yellow Violet | Viola | pubescens | | 175 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Downy Yellow Violet (scabriuscula) | Viola | pubescens var. scabriuscula | | 65 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Long-spurred Violet | Viola | rostrata | | 71 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Round-leaved Yellow Violet | Viola | rotundifolia | | 17 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Arrow-leaved Violet (ovata) | Viola | sagittata var. ovata | | 80 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Arrow-leaved Violet | Viola | sagittata | | 138 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Arrow-leaved Violet (sagittata) | Viola | sagittata var. sagittata | | 24 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Common Blue Violet | Viola | sororia | | 565 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Stone's Violet | Viola | stoneana | | 0 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Striped White Violet | Viola | striata | | 276 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |
| Johnny Jump-up | Viola | tricolor | | 13 | Violet Family | Violaceae | Violales | Magnoliopsida | Plantae |