Obligate Wetland (OBL)– Occurs almost always under natural conditions in Wetlands.
Facultative Wetland (FACW)– Usually occurs in wetlands but occasionally found in Non-wetlands.
Facultative (FAC)– Equally likely to occur in wetlands or non-wetlands.
Facultative Upland (FACU)– Usually does not occur in wetlands but occasionally found in wetlands.
Obligate Upland (UPL)– Almost never occurs under natural conditions in wetlands.
No Indicator Status (NI)– Available for the Mid-Atlantic region of the United States.