Maryland Native Plant Society Plant Lists We offer these lists to individuals and groups to enhance the enjoyment and study of plants of different locations in Maryland and nearby states. Their accuracy has not been verified by the Maryland Native Plant Society. SNYDER’S LANDING, C&O CANAL NATIONAL HISTORICAL PARK WASHINGTON COUNTY, MD This list records plants seen during a field trip to Snyder’s Landing along the C&O Canal (between Locks 39 and 40) near Sharpburg on April 25, 2015. Field trip led by by Cris Fleming. Plant list by Kirsten Johnson and Marny Bruce. Nomenclature follows the USDA Plant Database at http://plants.usda.gov (February 2015). Synonyms are footnoted for some species. Acer negundo Boxelder Aceraceae Acer saccharinum Silver maple Aceraceae Acer saccharum Sugar maple Aceraceae Alliaria petiolata1 Garlic mustard Brassicaceae Aplectrum hyemale Puttyroot Orchidaceae Aquilegia canadensis Wild columbine Ranunculaceae Arabis laevigata Smooth rockcress Brassicaceae Arabis lyrata Lyre-leaved rockcress Brassicaceae Arisaema triphyllum Jack-in the-pulpit Araceae Asarum canadense Wild ginger Aristolochiaceae Asimina triloba Pawpaw Annonaceae Asplenium rhizophyllum2 Walking fern Aspleniaceae Asplenium trichomanes Maidenhair spleenwort Aspleniaceae Cardamine concatenata3 Cut-leaved toothwort Brassicaceae Carex platyphylla Broad-leaved sedge Cyperaceae Caulophyllum thalictroides Blue cohosh Berberidaceae Claytonia virginica Spring beauty Portulacaceae Corydalis flavula Yellow corydalis Fumariaceae Cystopteris bulbifera Bulblet fern Dryopteridaceae Cystopteris protrusa Fragile fern Dryopteridaceae Delphinium tricorne Dwarf larkspur Ranunculaceae Dicentra canadensis Squirrel corn Fumariaceae Dicentra cucullaria Dutchman’s breeches Fumariaceae Dodecatheon meadia Shooting-star Primulaceae Dryopteris marginalis Marginal wood fern Dryopteridaceae Erythronium americanum Trout lily Liliaceae Fraxinus americana White ash Oleaceae Galium aparine Cleavers Rubiaceae Geum canadense White avens Rosaceae Glechoma hederacea Gill-over-the-ground Lamiaceae Hepatica nobilis var. obtusa4 Round-lobed hepatica Ranunculaceae Hydrangea arborescens Wild hydrangea Hydrangeaceae Hydrophyllum virginianum Virginia waterleaf Hydrophyllaceae Impatiens sp. Jewelweed Balsaminaceae Lamium purpureum Purple dead nettle Lamiaceae Lindera benzoin Spicebush Lauraceae Lonicera japonica Japanese honeysuckle Caprifoliaceae Maianthemum racemosum5 False Soloman's seal Liliaceae Menispermum canadense Moonseed Menispermaceae Mertensia virginica Virginia bluebells Boraginaceae Mitella diphylla Miterwort, Bishop's cap Saxifragaceae Ornithogalum nutans Nodding star-of-Bethlehem Liliaceae Osmorhiza sp. Sweet cicely Apiaceae Parthenocissus quinquefolia Virginia creeper Vitaceae Platanus occidentalis Sycamore Platanaceae Podophyllum peltatum Mayapple Berberidaceae Polygonatum biflorum Smooth Solomon's seal Liliaceae Polystichum acrostichoides Christmas fern Dryopteridaceae Quercus rubra Northern red oak Fagaceae Ranunculus abortivus Aborted buttercup Ranunculaceae Sanguinaria canadensis Bloodroot Papaveraceae Saxifraga virginiensis Early saxifrage Saxifragaceae Sedum ternatum Wild stonecrop Crassulaceae Staphylea trifolia Bladdernut Staphyleaceae Stellaria pubera Star chickweed Caryophyllaceae Thalictrum dioicum Early meadow rue Ranunculaceae Thalictrum thalictroides6 Rue anemone Ranunculaceae Thuja occidentalis Northern white cedar Cupressaceae Tilia americana Basswood Tiliaceae Toxicodendron radicans Poison ivy Anacardiaceae Trillium erectum Erect trillium Liliaceae Trillium sessile Sessile trillium Liliaceae Viola pubescens7 Smooth yellow violet Violaceae Viola sororia8 Common blue violet Violaceae 1 Alliaria officinalis 2 Camptosorus rhizophyllus 3 Dentaria laciniata 4 Hepatica americana 5 Smilacina racemosa 6 Anemonella thalictroides 7 Viola pensylvanica 8 Viola papilionacea .