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) on April 24, 2005. Field trip led by by Cris Fleming. List made by Cris Fleming. Nomenclature follows the USDA Plant Database at http://plants.usda.gov (January 2011). Synonyms are footnoted for some species.

Actaea racemosa1 Black cohosh Ranunculaceae Adiantum pedatum Maidenhair fern Pteridaceae Alliaria petiolata Garlic mustard Brassicaceae Antennaria plantaginifolia Plantain-leaved pussytoes Asteraceae Aquilegia canadensis Wild columbine Ranunculaceae Arabis laevigata Smooth rockcress Brassicaceae Arabis lyrata Lyre-leaved rockcress Brassicaceae Arabis patens Spreading rockcress Brassicaceae Arabis shortii Short’s rockcress Brassicaceae Arisaema dracontium Green dragon Araceae Arisaema triphyllum Jack-in-the-pulpit Araceae Asarum canadense Wild ginger Aristolochiaceae Asplenium platyneuron Ebony spleenwort Aspleniaceae Asplenium rhizophyllum Walking fern Aspleniaceae Asplenium trichomanes Maidenhair spleenwort Aspleniaceae Botrychium virginianum Rattlesnake fern Ophioglossaceae Cardamine angustata Slender toothwort Brassicaceae Cardamine bulbosa Spring cress Brassicaceae Cardamine concatenata Cut-leaved toothwort Brassicaceae Carex platyphylla Broad-leaved sedge Cyperaceae Caulophyllum thalictroides Blue cohosh Berberidaceae Chaerophyllum procumbens Wild chervil Apiaceae Chelidonium majus Celandine Papaveraceae Claytonia virginica Spring beauty Portulacaceae Cornus alternifolia Alternate-leaved dogwood Cornaceae 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 Floerkea proserpinacoides False mermaidweed Limnanthaceae Galearis spectabilis2 Showy orchis Orchidaceae Glechoma hederacea Gill-over-the-ground Lamiaceae Hepatica nobilis var. obtusa3 Round-lobed hepatica Ranunculaceae Houstonia caerulea Bluets Rubiaceae Hydrastis Canadensis Goldenseal Ranunculaceae Hydrophyllum macrophyllum Large-leaved waterleaf Hydrophyllaceae Hydrophyllum virginianum Virginia waterleaf Hydrophyllaceae Jeffersonia diphylla Twinleaf Berberidaceae Lamium purpureum Purple deadnettle Lamiaceae Lysimachia nummularia Moneywort Primulaceae Maianthemum racemosum4 False Solomon’s-seal Liliaceae Mertensia virginica Virginia bluebells Boraginaceae Mitella diphylla Miterwort or Bishop’s cap Saxifragaceae Ornithogalum nutans Nodding star-of-Bethlehem Liliaceae Osmorhiza claytonii Sweet cicely Apiaceae Packera aurea5 Golden ragwort Asteraceae Packera obovata6 Round-leaved ragwort Asteraceae Pellaea atropurpurea Purple cliffbrake Pteridaceae Phlox divaricata Wild blue phlox Polemoniaceae Polygonatum biflorum Solomon’s seal Liliaceae Polymnia canadensis Small-flowered leafcup Asteraceae Ranunculus abortivus Aborted buttercup Ranunculaceae Ribes cynosbati Prickly gooseberry Grossulariaceae Sanguinaria canadensis Bloodroot Papaveraceae Saxifraga virginiensis Early saxifrage Saxifragaceae Sedum ternatum Wild stonecrop Crassulaceae Staphylea trifolia Bladderwort Staphyleaceae Stellaria media Common chickweed Caryophyllaceae Stellaria pubera Star chickweed Caryophyllaceae Thalictrum dioicum Early meadowrue Ranunculaceae Thalictrum thalictroides7 Rue-anemone Ranunculaceae Thuja occidentalis Northern white-cedar Cupressaceae Trillium erectum Erect trillium Liliaceae Trillium sessile Sessile trillium Liliaceae Triosteum aurantiacum Horse-gentian Caprifoliaceae Tussilago farfara Coltsfoot Asteraceae Uvularia sessilifolia Sessile-leaved bellwort Liliaceae Valerianella locusta Corn salad Valerianaceae Veronica hederifolia Ivy-leaved Veronica Scrophulariaceae Viola canadensis Canada violet Violaceae Viola pubescens Downy yellow violet Violaceae Viola sororia Common blue violet Violaceae Viola striata Pale violet Violaceae Woodsia obtusa Blunt-lobed woodsia Dryopteridaceae Zizia aptera Heart-leaved Alexanders Apiaceae

1 Cimicifuga racemosa 2 Orchis spectabilis 3 Hepatica americana 4 Smilacina racemosa 5 Senecio aureus 6 Senecio obovatus 7 Anemonella thalictroides