| Wetland indicator status ratings | Obligate (OBL) | Facultative Wetland (FACW) | Facultative (FAC) | Facultative Upland (FACU) | Upland (UPL) |
| Definition | Almost always occur in wetlands | Usually occur in wetlands, but may occur in non-wetlands | Occur in wetlands and non-wetlands | Usually occur in non-wetlands, but may occur in wetlands | Almost never occur in wetlands |