| 1 | Chamerion | angustifolium | Fireweed | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 2 | Circaea | alpina | Alpine Enchanter's Nightshade | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 3 | Circaea | canadensis ssp. canadensis | Broad-leaved Enchanter's Nightshade | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 4 | Epilobium | ciliatum | Fringed Willowherb | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 5 | Epilobium | coloratum | Purple-leaved Willowherb | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 6 | Epilobium | hirsutum | Hairy Willowherb | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 7 | Epilobium | leptophyllum | Bog Willowherb | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 8 | Epilobium | parviflorum | Small Flower Willowherb | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 9 | Epilobium | strictum | Downy Willowherb | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 10 | Gaura | biennis | Biennial Beeblossom | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 11 | Gaura | longiflora | Longflower Beeblossom | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 12 | Ludwigia | alternifolia | Seedbox | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 13 | Ludwigia | decurrens | Wing-leaved Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 14 | Ludwigia | glandulosa | Cylindric-fruited Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 15 | Ludwigia | hexapetala | Large-flower Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 16 | Ludwigia | hirtella | Spindleroot | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 17 | Ludwigia | leptocarpa | Angle-stemmed Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 18 | Ludwigia | linearis | Narrow-leaved Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 19 | Ludwigia | palustris | Marsh Seedbox | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 20 | Ludwigia | peploides var. glabrescens | Floating Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 21 | Ludwigia | sphaerocarpa | Globefruit Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 22 | Ludwigia | virgata | Savannah Primrose-willow | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 23 | Oenothera | argillicola | Shale Barren Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 24 | Oenothera | biennis | Common Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 25 | Oenothera | clelandii | Cleland's Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 26 | Oenothera | fruticosa | Narrow-leaved Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 27 | Oenothera | grandis | Showy Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 28 | Oenothera | humifusa | Seabeach Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 29 | Oenothera | laciniata | Cut-leaved Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 30 | Oenothera | nutans | Nodding Eveniing Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 31 | Oenothera | oakesiana | Oakes's Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 32 | Oenothera | parviflora | Northern Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 33 | Oenothera | perennis | Little Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 34 | Oenothera | tetragona | Yellow Sundrops | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 35 | Oenothera | villosa ssp. villosa | Hairy Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |