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INDICATOR CATEGORIES* <br /> Obligate Wetland (OBL)—Occur almost always (estimated probability >99%) under natural <br /> conditions in wetlands. <br /> Facultative Wetland (FACW)—Usually occur in wetlands (estimated probability 67% - 99%), <br /> but occasionally found in non-wetlands. <br /> Facultative (FAC)—Equally likely to occur in wetlands or non-wetlands (estimated probability <br /> 34% - 66%). <br /> Facultative Upland (FACU)—Usually occur in non-wetlands (estimated probabiliry 67% - <br /> 99%), but occasionally found in wetlands (estimated probability 1% -33%). <br /> Obligate Upland (UPL)—Occur in wetlands in another region, but occur almost always <br /> (estimated probability >99%) under natural conditions in non-wetlands in the region specified. If <br /> a species does not occur in wetlands in any region, it is not on the National List. <br /> *Reed, P.B. 1988. National list of plant species that occur in wetlands: Minnesota. National <br /> Wetlands Inventory, U.S. Fish and Wildlife Service, St. Petersburg, Florida. <br />