.
| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Asteraceae | Iva frutescens | | Non-standard. Added for North Carolina Botanical Garden planted species. | | |
| Asteraceae | Iva frutescens var. frutescens | Southern Maritime Marsh-elder | Brackish marshes and marsh edges, normally on the back side of barrier islands. | NJ south to s. FL, west to e. and se. TX. | 
|
| Asteraceae | Iva frutescens var. oraria | Northern Maritime Marsh-elder | Brackish marshes and marsh edges, normally on the back side of barrier islands. | NS south to Dare County, NC; as a waif near Galveston, TX | 
|