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Rattlesnake Fern (Botrychium virginianum), Woodland, Indiana Dunes State Park, Indiana, USA
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Bunchberry (Cornus canadensis) and Developing Fronds of Northern Oak Fern (Gymnocarpium dryopteris), Gooseberry Falls State Park, Minnesota, USA
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Bloodroot (Sanguinaria canadensis), Lake Michigan Blufftop Woodland, McCormick Ravine Nature Preserve, Lake Forest, Illinois, USA
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Prairie Trillium (Trillium recurvatum), Bristol Woods County Park, Bristol, Wisconsin, USA
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The Botany of Illinois Beach, Part 1: Wild Lupine (Lupinus perennis), Southern-Unit Nature Preserve, Illinois Beach State Park, Illinois, USA
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The Botany of Illinois Beach, Part 2: Tuberous Grass Pink Orchid (Calopogon tuberosus), Southern-Unit Nature Preserve, Illinois Beach State Park, Illniois, USA
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Bog Bean (Menyanthes trifoliata) Inflorescence, Spruce Lake Bog State Natural Area, Wisconsin, USA
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Botany of the Carolinas Coastal Plain, Part 34: Aiming High in Life | Charles Pinckney National Historic Site, Mount Pleasant, South Carolina, USA
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A Vibrant Sonoran Desert Plant Community, Organ Pipe Cactus National Monument, Arizona, USA
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Michaux's Saxifrage (Micranthes petiolaris), Clingmans Dome, Great Smoky Mountains National Park, North Carolina
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Just Saying Hello: Arborescent Saguaro Cacti (Carnegiea gigantea), Organ Pipe Cactus National Monument, Arizona, USA
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Sorrel Tree (Oxydendrum arboreum) Flowering Panicle, Cold Mountain Overlook, Blue Ridge Parkway, North Carolina, USA
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Texas Madrone Tree (Arbutus xalapensis) in McKittrick Canyon, Guadalupe Mountains National Park, Texas, USA
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Heart of Darkness: Spanish Dagger Tree (Yucca faxoniana), along US Route 62 a Few Miles East of El Paso, Texas, USA
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Homage to the Basin and Range Province, Part 1: The Providence Mountains from Kelbaker Road, Mojave National Preserve, California, USA
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An Island of Life Amid Bare Rock: Near the Summit of Mount Cardigan, Cardigan Mountain State Forest, New Hampshire, USA
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Wonders of an Old-Growth Forest, Part 2: Trunk of a Grand Old Sugar Maple (Acer saccharum), Warren Woods State Park, Michigan, USA
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Urban Street Trees, Part 1: Red Oak (Quercus rubra), Park Slope Neighborhood, Borough of Brooklyn, New York, New York, USA
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Botany of the Carolinas Coastal Plain, Part 14: Pines of a Pocosin, Croatan National Forest, North Carolina, USA
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Botany of the Carolinas Coastal Plain, Part 31: Another Ancient of Days | Charles Pinckney National Historic Site, Mount Pleasant, South Carolina, USA
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Bur Oak (Quercus macrocarpa) in the Light of Early Winter, Glacial Park, McHenry County, Illinois, USA
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A Strange Sort of Spring, Part 1: White Spruces (Picea glauca) Laden with Snow, Quoddy Head State Park, Maine, USA
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Treasures of a Buckeye-State Peatland, Part 1: A Fern of Fetching Form, Cedar Bog Nature Preserve, Urbana, Ohio, USA
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Roots in Ancient Lava: A Stand of Arbor Vitae (Thuja occidentalis) Growing on Basalt, Gooseberry Falls State Park, Minnesota, USA