Natural Heritage Program List of Rare Plant Species - Rawlings ...

POTENTIAL NEW TO NORTH CAROLINA PLANTS
The following list is of species not currently known to occur in North Carolina, but which are considered to have some
possibility of being found in North Carolina, based on their currently known range and habitat preferences. Most are
species which occur in the adjacent states of South Carolina, Georgia, Tennessee, or V irginia, in habitats at least
relatively similar to habitats known to exist in North Carolina. The purpose of this list is to foster understanding of the
flora of North C arolina by challenging botanists to find new state records; this list should give field investigators an idea
of some of the species that may be native components of North Carolina's flora. While some of these species may have
relatively remote chances of being found in North Carolina, the likelihood of finding new state records is greatly
increased by being aware of the possibilities and by species-directed searching. State records of native vascular plants
are being found at the rate of about five per year. Our knowledge of North Carolina's flora is still imperfect, and many
natural areas are being destroyed before they can be investigated; certainly a number of native species have been
extirpated from North Carolina before they were ever documented as occurring in the state.
Following each species is the North Carolina province in which the species is considered most likely to be found. Where
possible, a description of the typical habitat of the spec ies in the vicinity of North Carolina is also given. Sometimes, the
nearest known occurrence(s) to North Carolina are also listed, with the distance from North Carolina in number of
counties in brackets. For instance [1] indicates that the species has been reported from a county immediately adjacent
to North Carolina; [5] indicates that the species has been reported from a county five counties away from the North
Carolina border. An average co unty width in and around N orth Carolina is ab out 25 miles, so[5] indicates an approximate
distance from North Carolina of 100-125 miles. While distance from the state is an interesting p iece of information, it
is probably a poor indicator of the probability of occurrence in North Carolina, since long distance disjunctions to the
mountains (from the north) and to the coastal plain (from the south) are frequent. In the coming years, some of the species
on this list will almost certain ly be added to the flora of North Carolina.
Agalinis auriculata (= Tomanthera a uriculata ) - P (mafic glad es) - York C ounty, SC [1 county]
Ageratina luciaea-brauniae (= Eupatorium l.) - M (bases of overhanging cliffs) - KY, TN
Aletris obovata - C (savannas) - Beaufort County, SC [4]
Alnus incana ssp rugosa - M (moist mountain slopes) - Nelson County, VA [4]
Amphianthus pusillus - P (pools on granitic flatrocks) - Lancaster County, SC [1]
Anemone canadensis - M - Rockingham County, VA [5]
Antennaria virginica - MP (rock outcrops) - Carroll & Patrick counties, VA [1]
Aralia hispida - M (dry rocky woods) - Augusta County, VA [4]
Armoracia lacustris - C (shallow water) - Southampton County, VA [1]
Asclepias cinerea - C (savannas) - Hampton & Jasper counties, SC [5]
Asclepias michau xii - C (savannas and pinelands) - Williamsburg & Florence counties, SC [2]
Asclepias obovata - C (sandy pinelands) - Charleston County, SC [3]
Asclepias perennis - C (swamp forests) - Marion County, SC [2]
Aspleniu m septentrionale - M (rock outcrops) - Monroe County, WV [4]
Asplenium trichomanes ssp quadrivalens - MP (calcareous outcrops) - Giles County, VA [3]
Asplenium X trudellii - PM (moist cliffs, acidic outcrops and bluffs) - Pittsylvania & Lee counties, VA [1]
Astragalus distortus - P (glades, dry shaly places) - Pittsylvania County, VA [1]
Baptisia p erfoliata - SC (sandhills) - Lexington County, SC [4]
Batis maritima - C (salt and brackish marshes) - Charleston County, SC [3]
Berlandiera pumila - S (sandy woods and fields) - Chesterfield & Darlington counties, SC [1]
Bothriochloa saccharoides - M (dry openings) - TN
Bouteloua curtipendula - PM (calcareous or mafic glades) - Pulaski & Montgomery counties, VA [2]
Bromus kalmii - M - Augusta & Bath counties, VA [4]
Carex brevior (C. molesta)- M (dry woods) - Wythe County, VA [2]
Carex conjuncta - MC (mesic woods) - Southampton & Russell counties, VA [1]
Carex pallescens - M (grassy balds) - Unicoi County, TN [1]
Carex polymorpha - M (dry upland woods or wetland margins) - Augusta County, VA [4]
Carex sp. 3 - M (rich cove forests) - Oconee & Pickens counties, SC [1]
Ceratiola ericoides - CS (sandhills) - Horry County, SC [1]
117