Piedmont Granite Outcrops
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Granite Outcrops are expanses of granitoid rock, often granitic gneiss, interspersed with islands of vegetation. They may be steep-sided domes or "flatrocks." Many domes are well known and accessible to the public, including Stone Mountain, Arabia Mountain, Panola Mountain, and Rock and Shoals.
What's special: these outcrops are among the crown jewels of Georgia's natural communities because they are spectacularly beautiful in spring and fall, and they feature som rare plants found nowhere else (endemic). Georgia has more of these outcrops than any other state. Related to: Similar to Glades, Barrens, which lack the well-developed dish gardens and temporary pools. Learn MORE HERE about plant adaptations to rocky places. |
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Click on a plant name to see many images from comprehensive regional websites. Plant names are in alphabetical order by scientific name.
Trees Downy serviceberry Amelanchier arborea Dwarf hackberry/Georgia hackberry Celtis tenuifolia Eastern red cedar Juniperus virginiana Shortleaf pine Pinus echinata Loblolly pine Pinus taeda Black cherry Prunus serotina Georgia oak Quercus georgiana Blackjack oak Quercus marilandica Rock chestnut oak Quercus montana Post oak Quercus stellata Winged elm Ulmus alata Shrubs and Woody Vines Fringe-tree Chionanthus virginicus Wafer ash Ptelea trifoliata Yellow jessamine Gelsemium sempervirens Winged sumac Rhus copallinum Sparkleberry Vaccinium arboreum Curlyleaf yucca Yucca filamentosa Ground Layer Wildflowers Flatrock onion Allium speculae Slender gerardia Agalinis tenuifolia Erect dayflower Commelina erecta Large-flowered coreopsis Coreopsis grandiflora Glade rushfoil Croton wildenowii Elf-orpine/Diamorpha Diamorpha cymosa Poorjoe Diodia teres Snorklewort/Pool sprite Gratiola amphiantha Confederate daisy Helianthus porteri Pineweed Hypericum gentianoides Dwarf dandelion Krigia virginica Small-head blazing star Liatris microchephala Sandwort Minuartia uniflora False garlic Nothoscordum bivalve Toadflax Nuttallanthus canadensis Sundrops Oenothera fruticosa Eastern prickly pear Opuntia humifusa Woolly ragwort Packera tomentosa Flatrock phacelia Phacelia maculata Appalachian rockpink Phermeranthus teretifolius Early saxifrage Micranthes virginiensis Yellow sunnybell Schoenolirion croceum Hairy spiderwort Tradescantia hirsuticaulis Smooth spiderwort Tradescantia ohiensis Grasses and Sedges Bentgrass Agrostis elliottiana (drawing only) Old-field broomstraw Andropogon virginicus Downy oat grass Danthonia sericea Poverty oat grass Danthonia spicata Little bluestem Schizachyrium scoparium Bryophytes Reindeer lichens Cladonia/Cladina spp. Rockmoss Grimmia laevigata Crustose lichens Parmelia spp. Haircap moss Polytrichum commune |
Representative TreesRepresentative ShrubsRepresentative Ground layer (in order by color) |
