NCDOT – Roadside Rare Plant Sites as of June, 2015 Division County Species Number of Sites 1 Hyde Aeschynomene virginica (Sensitive joint-vetch) 1 2 Craven Solidago villosicarpa (Carolina maritime golden rod) 1 Craven Solidago verna (Spring flowering goldenrod) 1 Jones Solidago verna (Spring flowering goldenrod) 1 3 Brunswick Lysimachia asperulifolia (Rough-leaved loosestrife) 3 Brunswick Thalictrum cooleyi (Cooley’s meadowrue) 1 Brunswick Zephyranthes simpsonii (Rain lily) 2 Brunswick Pycnanthemum virginianum (Virginia mountain mint) 1 Brunswick Isoetes microvela (Thin-wall quillwort) 1 Onslow Carex lutea (golden sedge) 1 Pender Solidago villosicarpa (Carolina maritime golden rod) 1 4 Nash Trillium pusillum var. virginianum (Virginia least trillium) 1 5 Wake Rhus michauxii (Michaux’s sumac) 1 Franklin Rhus michauxii (Michaux's sumac) 1 Granville Silphium terebinthinaceum (Prairie-dock) 4 Granville Ptillimum nodosum (Harperella) 1 Granville Echinacea laevigata (Smooth coneflower) 1 Durham Echinacea laevigata (Smooth coneflower) 7 Durham Silphium terebinthinaceum (Prairie-dock) 3 Durham Delphinium exaltatum (tall larkspur) 1 Durham Parthenium auriculatum (Glad wild quinine) 1 6 Columbus Thalictrum cooleyi (Cooley’s meadowrue) 1 7 - - None 8 Moore Rhus michauxii (Michaux's sumac) 1 Scotland Rhus michauxii (Michaux's sumac) 1 Randolph Helianthus schweinitzii (Schweinitz's sunflower) 16 Montgomery Helianthus schweinitzii (Schweinitz's sunflower) 16 Randolph Symphotrichum georgianum (Georgia aster) 6 9 Rowan Helianthus schweinitzii (Schweinitz's sunflower) 2 Davidson Helianthus schweinitzii (Schweinitz's sunflower) 7 Stokes Helianthus schweinitzii (Schweinitz's sunflower) 6 Davie Rhus michauxii (Michaux's sumac) 1 Davidson Symphotrichum georgianum (Georgia aster) 2 Stokes Cardamine micranthera (Small-anthered bittercrest) 2 10 Cabarrus Helianthus schweinitzii (Schweinitz's sunflower) 4 Mecklenburg Helianthus schweinitzii (Schweinitz's sunflower) 7 Stanly Helianthus schweinitzii (Schweinitz's sunflower) 7 Union Helianthus schweinitzii (Schweinitz's sunflower) 8 Anson Helianthus schweinitzii (Schweinitz's sunflower) 10 Stanly Baptisia alba (Thick-pod white wild indigo) 1 Stanley Symphotrichum georgianum (Georgia aster) 3 Stanley Silphium terebinthinaceum (Prairie-dock) 1 Union Symphotrichum georgianum (Georgia aster) 3 11 Ashe Spiraea virginiana (Virginia spiraea) 7 Surry Helianthus schweinitzii (Schweinitz's sunflower) 2 Caldwell Hexastylis naniflora (Dwarf-flowered heartleaf) 2 12 Gaston Helianthus schweinitzii (Schweinitz's sunflower) 1 Catawba Hexastylis naniflora (Dwarf-flowered heartleaf) 9 Cleveland Hexastylis naniflora (Dwarf-flowered heartleaf) 4 Iredell Hexastylis naniflora (Dwarf-flowered heartleaf) 1 Lincoln Hexastylis naniflora (Dwarf-flowered heartleaf) 1 13 Rutherford Sisyrinchium dichotomum (White irisette) 1 Burke Hexastylis naniflora (Dwarf-flowered heartleaf) 4 Rutherford Hexastylis naniflora (Dwarf-flowered heartleaf) 16 Yancey Spiraea virginiana (Virginia spiraea) 1 14 Jackson Lysimachia fraseri (Fraser's loosestrife) 1 Macon Lysimachia fraseri (Fraser's loosestrife) 1 Graham Spiraea virginiana (Virginia spiraea) 4 Macon Spiraea virginiana (Virginia spiraea) 2 Polk Sisyrinchium dichotomum (White irisette) 3 Henderson Sisyrinchium dichotomum (White irisette) 1 .