NPS The field work conducted from 2001-2003 by NatureServe added over 30 species to a list of 302 species already present within the current boundary of Ninety Six National Historic Site. Excluding varieties, subspecies, and unidentifiable collections, researchers past and present have confirmed over 360 species within the park. We now count 366 documented species, varieties, or subspecies of vascular plants in the park (363 species). It is estimated that between 86% and 100% of the vascular flora of the park is now documented.
Oglethorpe oak, Eastern narrowleaf sedge, and Slender looseflower sedge are considered South Carolina state "of concern" species. NPS At least 15% (53 species) of the plant species in the park are not native to the park. Most of these species were plantings or are harmless present day components of the flora that found their way into natural areas from plantings or errant seed mixes. However, at least 13 of the 363 species found within the park are considered aggressive or potentially aggressive invasive species that are outcompeting and replacing native species. These species are probably the biggest single threat to the overall ecological health of the park at this point in time:
Park staff is removing exotic species in partnership with the Southeast Invasive Plant Management Team to combat the ecological threats invasive species pose to the native plant life.
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Last updated: June 7, 2022