Vascular Plants - Jug Bay Wetlands Sanctuary

Checklist of Plants of the Jug Bay Wetlands Sanctuary 

Vascular Plants of the Jug Bay Wetlands Sanctuary 

Field work, plant surveys and identifcations by Holly Budd, Judy Burke, Gene Cooley, Charlie Davis, Patricia Delgado, 

Wayne Longbottom, Woody Martin, Cora Mason, Stephanie Mason, Kathy McCarthy, Joe Metzger, Karyn Molines, David Perry, 

Jane Fallon, Cris Fleming, Jim Harle, Erik Kiviat, Herb Kobayashi, David Laughlin, Rod Simmons, Stanwyn Shetler, 

Bill Sipple, R.J. Soreng, Jim Stasz, M.T. Strong, Chris Swarth, Dennis Whigham, Dave Williams, Elmer G. Worthly, 

and Kerry Wixted. With corrections made June 27, 2011 (thanks Bill Sipple and Charlie Davis). 

List updated, reviewed, and prepared by Chris Swarth and Cynthia Bravo. Last update - 13 February 2012. 

Nomenclature based on the USDA/ Natural Resources Conservation Service, "Plants Database" (http://plants.usda.gov). 

Group Family Scientific Name Common Name 

Specimen in 

Jug Bay 

Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 

Observer, Collector, 

Expert ID Confirmation, 

& Notes 

Dicot Acanthaceae Justicia americana American Water-willow No Patricia Delgado 

Dicot Aceraceae Acer negundo Boxelder No 

Dicot Aceraceae Acer rubrum Red Maple Yes 

Monocot Acoraceae Acorus calamus Sweetflag Yes 

Monocot Alismataceae Alisma subcordatum American Waterplantain Yes 

Monocot Alismataceae Sagittaria calycina Hooded Arrowhead Yes G5; S2 Joe Metzger; 25 July 199 

Monocot Alismataceae Sagittaria graminea Grassy Arrowhead Yes G5; SU 

Monocot Alismataceae Sagittaria latifolia Broadleaf Arrowhead Yes 

Dicot Amaranthaceae Amaranthus cannabinus Tidalmarsh Amaranth Yes 

Dicot Amaranthaceae Amaranthus retroflexus Redroot Amaranth No Karyn Molines 

Dicot Amaranthaceae Froelichia gracilis Slender Snakecotton Yes 

Dicot Anacardiaceae Rhus copallina Winged Sumac Yes 

Dicot Anacardiaceae Rhus glabra Smooth Sumac Yes 

Dicot Anacardiaceae Rhus typhina Staghorn Sumac Yes 

Dicot Anacardiaceae Toxicodendron radicans Eastern Poison Ivy Yes 

Dicot Anacardiaceae Toxicodendron vernix Poison Sumac No Danny Bystrak; summer 1 

Dicot Annonaceae Asimina triloba Pawpaw Yes 

Dicot Apiaceae Chaerophyllum procumbens Spreading Chervil No 

Dicot Apiaceae Cicuta maculata Spotted Water Hemlock Yes 

Dicot Apiaceae Daucus carota Queen Anne's Lace Yes I 

Dicot Apiaceae Hydrocotyle americana American Marshpennywort No Joe Metzger; 25 July 199 

Dicot Apiaceae Ligusticum canadense Canadian Licorice-root Yes G4; SH; X Needs confirmation 

Dicot Apiaceae Osmorhiza longistylis Longstyle Sweetroot Yes 

Dicot Apiaceae Oxypolis rigidior Stiff Cowbane Yes Kathy McCarthy & Kerry W 

Dicot Apiaceae Sanicula canadensis Canadian Blacksnakeroot Yes Stan Shetler, US Nationa 

Dicot Apiaceae Sium suave Hemlock Waterparsnip Yes 

Dicot Aquifoliaceae Ilex opaca American Holly Yes 

Dicot Aquifoliaceae Ilex verticillata Common Winterberry Yes 

Monocot Araceae Arisaema triphyllum Jack-in-the-Pulpit Yes



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Monocot Araceae Orontium aquaticum Goldenclub Yes Holly Budd; Swamp Blind 

Monocot Araceae Peltandra virginica Green Arrow Arum Yes 

Monocot Araceae Symplocarpus foetidus Skunk Cabbage Yes 

Dicot Araliaceae Aralia nudicaulis Wild Sarsaparilla Yes 

Dicot Araliaceae Aralia spinosa Devil's Walkingstick Yes 

Dicot Araliaceae Hedera helix English Ivy No I 

Dicot Asclepiadaceae Asclepias amplexicaulis Clasping Milkweed No 

Dicot Asclepiadaceae Asclepias syriaca Common Milkweed No 

Dicot Asclepiadaceae Asclepias tuberosa Butterfly Milkweed Yes 

Dicot Asclepiadaceae Matelea carolinensis Maroon Carolina Milkvine Yes G4; S1; E 

Fern Aspleniaceae Asplenium platyneuron Ebony Spleenwort Yes 

Fern Aspleniaceae Athyrium filix-femina Common Ladyfern Yes 

Fern Aspleniaceae Polystichum acrostichoides Christmas Fern Yes 

Fern Aspleniaceae Thelypteris noveboracensis New York Fern Yes 

Fern Aspleniaceae Thelypteris palustris Eastern Marshfern No 

Dicot Asteraceae Achillea millefolium Common Yarrow Yes 

Dicot Asteraceae Ageratina aromatica Lesser Snakeroot Yes 

Dicot Asteraceae Ambrosia artemisiifolia Annual Ragweed Yes 

Dicot Asteraceae Ambrosia trifida Great Ragweed No Erik Kiviat; June 1997. Ri 

Dicot Asteraceae Antennaria parlinii Parlin's Pussytoes Yes 

Dicot Asteraceae Antennaria plantaginifolia Woman's Tobacco No Karyn Molines 

Dicot Asteraceae Artemisia annua Sweet Sagewort Yes I 

Dicot Asteraceae Artemisia vulgaris Common Wormwood Yes 

Dicot Asteraceae Bidens bipinnata Spanish Needles Yes 

Dicot Asteraceae Bidens laevis Smooth Beggartick Yes 

Dicot Asteraceae Chrysopsis mariana Maryland Goldenaster Yes 

Dicot Asteraceae Cichorium intybus Chicory No I Karyn Molines 

Dicot Asteraceae Cirsium arvense Canada Thistle No I 

Dicot Asteraceae Conyza canadensis Canadian Horseweed No 

Dicot Asteraceae Eclipta prostrata False Daisy Yes 

Dicot Asteraceae Elephantopus carolinianus Carolina Elephantsfoot Yes 

Dicot Asteraceae Erechtites hieraciifolia American Burnweed No Karyn Molines 

Dicot Asteraceae Erigeron philadelphicus Philadelphia Fleabane Yes Stan Shetler 

Dicot Asteraceae Eupatorium album White Thoroughwort Yes Karyn Molines; summer 1 

Dicot Asteraceae Eupatorium altissimum Tall Thoroughwort No G5; S3 Karyn Molines; 12 Augus 

Dicot Asteraceae Eupatorium hyssopifolium Hyssopleaf Thoroughwort Yes Karyn Molines; 12 Augus 

Dicot Asteraceae Eupatorium leucolepis Justiceweed No G5; S2S3 Karyn Molines; 12 Augus 

Dicot Asteraceae Eupatorium perfoliatum Common Boneset Yes 

Dicot Asteraceae Eupatorium pilosum Rough Boneset No 

Dicot Asteraceae Eupatorium purpureum Sweetscented Joe Pye Weed Yes 

Dicot Asteraceae Eupatorium serotinum Lateflowering Thoroughwort Yes



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Asteraceae Euthamia graminifolia Flat-top Goldentop No 

Dicot Asteraceae Helenium autumnale Common Sneezeweed Yes Bill Sipple & Erik Kiviat 

Dicot Asteraceae Heterotheca subaxillaris Camphorweed Yes 

Dicot Asteraceae Hieracium gronovii Queendevil No Karyn Molines; 12 Augus 

Dicot Asteraceae Hieracium venosum Rattlesnakeweed Yes 

Dicot Asteraceae Krigia virginica Virginia Dwarfdandelion Yes 

Dicot Asteraceae Lactuca floridana Woodland Lettuce Yes 

Dicot Asteraceae Leucanthemum vulgare Oxeye Daisy Yes 

Dicot Asteraceae Mikania scandens Climbing Hempvine Yes 

Dicot Asteraceae Pseudognaphalium obtusifolium Rabbit-tobacco Yes 

Dicot Asteraceae Solidago altissima Canada Goldenrod Yes 

Dicot Asteraceae Solidago bicolor White Goldenrod No 

Dicot Asteraceae Solidago caesia Wreath Goldenrod No 

Dicot Asteraceae Solidago juncea Early Goldenrod Yes 

Dicot Asteraceae Solidago rugosa Wrinkleleaf Goldenrod Yes 

Dicot Asteraceae Symphyotrichum lanceolatum White Panicle Aster Yes 

Dicot Asteraceae Symphyotrichum lateriflorum Calico Aster Yes Karyn Molines; summer 1 

Dicot Asteraceae Symphyotrichum patens Late Purple Aster Yes Jim Stasz 

Dicot Asteraceae Symphyotrichum pilosum Hairy White Oldfield Aster Yes 

Dicot Asteraceae Symphyotrichum puniceum Purplestem Aster Yes 

Dicot Asteraceae Taraxacum officinale Common Dandelion Yes 

Dicot Asteraceae Verbesina alternifolia Wingstem No 

Dicot Asteraceae Verbesina occidentalis Yellow Crownbeard Yes 

Dicot Asteraceae Vernonia noveboracensis New York Ironweed No Karyn Molines; summer 1 

Fern Azollaceae Azolla caroliniana Carolina Mosquitofern No Beaver Pond, Two-run Br 

Dicot Balsamiaceae Impatiens capensis Jewelweed Yes 

Dicot Berberidaceae Berberis thunbergii Japanese Barberry No I 

Dicot Berberidaceae Podophyllum peltatum Mayapple Yes 

Dicot Betulaceae Alnus serrulata Hazel Alder Yes 

Dicot Betulaceae Betula nigra River Birch Yes 

Dicot Betulaceae Carpinus caroliniana American Hornbeam Yes 

Dicot Bignoniaceae Campsis radicans Trumpet Creeper Yes 

Fern Blechnaceae Woodwardia areolata Netted Chainfern Yes 

Dicot Boraginaceae Hackelia virginiana Beggarslice Yes 

Dicot Brassicaceae Alliaria petiolata Garlic Mustard Yes I 

Dicot Brassicaceae Arabidopsis thaliana Mouseear Cress Yes 

Dicot Brassicaceae Arabis lyrata Lyrate Rockcress Yes 

Dicot Brassicaceae Barbarea verna Early Yellowrocket No 

Dicot Brassicaceae Barbarea vulgaris Garden Yellowrocket Yes 

Dicot Brassicaceae Brassica rapa Field Mustard No I 

Dicot Brassicaceae Cardamine hirsuta Hairy Bittercress No I



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Brassicaceae Cardamine pensylvanica Pennsylvania Bittercress Yes 

Dicot Brassicaceae Hesperis matronalis Dames Rocket Yes I 

Dicot Brassicaceae Lepidium campestre Field Pepperweed No 

Dicot Brassicaceae Lepidium densiflorum Common Pepperweed Yes 

Dicot Brassicaceae Lepidium perfoliatum Clasping Pepperweed Yes 

Dicot Brassicaceae Teesdalia nudicaulis Barestem Teesdalia No I 

Dicot Cactaceae Opuntia humifusa Prickly Pear No 

Dicot Caesalpiniaceae Chamaecrista fasciculata Partridge Pea Yes 

Dicot Caesalpiniaceae Chamaecrista nictitans Sensitive Partridge Pea Yes 

Dicot Campanulaceae Lobelia cardinalis Cardinalflower Yes 

Dicot Campanulaceae Lobelia inflata Indian-tobacco Yes Dave Perry & Danny Byst 

Dicot Campanulaceae Triodanis perfoliata Clasping Venus Looking-glass Yes 

Dicot Caprifoliaceae Lonicera japonica Japanese Honeysuckle Yes I 

Dicot Caprifoliaceae Sambucus canadensis American Black Elderberry Yes 

Dicot Caprifoliaceae Symphoricarpos albus Common Snowberry Yes 

Dicot Caprifoliaceae Viburnum acerifolium Mapleleaf Viburnum Yes 

Dicot Caprifoliaceae Viburnum dentatum Southern Arrowwood Yes 

Dicot Caprifoliaceae Viburnum nudum Possum Haw Yes 

Dicot Caprifoliaceae Viburnum prunifolium Blackhaw Yes 

Dicot Caryophyllaceae Agrostemma githago Common Corncockle Yes 

Dicot Caryophyllaceae Arenaria serpyllifolia Thymeleaf Sandwort Yes 

Dicot Caryophyllaceae Cerastium viscosum Sticky Chickweed Yes 

Dicot Caryophyllaceae Dianthus armeria Deptford Pink Yes I 

Dicot Caryophyllaceae Paronychia canadensis Smooth Forked Nailwort No Bill Sipple; 16 October 20 

Dicot Caryophyllaceae Saponaria officinalis Bouncingbet Yes 

Dicot Caryophyllaceae Scleranthus annuus German Knotgrass Yes I 

Dicot Caryophyllaceae Silene caroliniana Sticky Catchfly Yes 

Dicot Caryophyllaceae Silene latifolia Bladder Campion Yes 

Dicot Caryophyllaceae Silene stellata Windowsfrill Yes 

Dicot Caryophyllaceae Stellaria media Common Chickweed Yes I 

Dicot Celastraceae Celastrus orbiculatus Oriental Bittersweet Yes I 

Dicot Celastraceae Euonymus americanus Bursting Heart Yes 

Dicot Ceratophyllaceae Ceratophyllum demersum Coon's Tail Yes 

Dicot Chenopodiaceae Chenopodium ambrosioides Mexican Tea Yes 

Dicot Cistaceae Helianthemum canadense Longbranch Frostweed Yes 

Dicot Cistaceae Lechea pulchella Legett's Pinweed No 

Dicot Clethraceae Clethra alnifolia Coastal Sweetpepperbush Yes 

Dicot Clusiaceae Hypericum hypericoides St. Andrew's Cross Yes 

Dicot Clusiaceae Hypericum mutilum Dwarf St. Johnswort Yes 

Dicot Clusiaceae Hypericum punctatum Spotted St. Johnswort Yes Stan Shetler, US Nationa 

Dicot Clusiaceae Triadenum tubulosum Lesser Marsh St. Johnswort No



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Monocot Commelinaceae Commelina communis Asiatic Dayflower Yes I 

Monocot Commelinaceae Commelina virginica Virginia Dayflower Yes 

Monocot Commelinaceae Murdannia keisak Wartremoving Herb No I 

Dicot Convulvaceae Calystegia sepium Hedge False Bindweed No 

Dicot Convulvaceae Ipomoea lacunosa Whitestar No 

Dicot Cornaceae Cornus amomum Silky Dogwood Yes 

Dicot Cornaceae Cornus florida Flowering Dogwood Yes 

Dicot Cornaceae Cornus racemosa Gray Dogwood No 

Dicot Cornaceae Nyssa sylvatica Blackgum Yes 

Dicot Crassulaceae Penthorum sedoides Ditch Stonecrop Yes 

Dicot Cupressaceae Juniperus virginiana Eastern Redcedar Yes 

Dicot Cuscutaceae Cuscuta gronovii Scaldweed Yes 

Monocot Cyperaceae Bulbostylis capillaris Densetuft Hairsedge No Karyn Molines 

Monocot Cyperaceae Carex albolutescens Greenwhite Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex comosa Longhair Sedge No Jim Stasz 

Monocot Cyperaceae Carex crinita Fringed Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex grayi Gray's Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex intumescens Great Bladder Sedge No Jim Stasz 

Monocot Cyperaceae Carex lacustris Hairy Sedge No G5; S2 Kathy McCarthy and Kerr 

Monocot Cyperaceae Carex laevivaginata Smoothsheath Sedge No Jim Stasz 

Monocot Cyperaceae Carex lurida Shallow Sedge Yes Bill Sipple 

Monocot Cyperaceae Carex muehlenbergii Muhlenberg's Sedge No Jim Stasz 

Monocot Cyperaceae Carex pensylvanica Pennsylvania Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex prasina Drooping Sedge No 

Monocot Cyperaceae Carex seorsa Weak Stellate Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex squarrosa Squarrose Sedge No Jim Stasz 

Monocot Cyperaceae Carex stipata Awlfruit Sedge No Jim Stasz 

Monocot Cyperaceae Carex stricta Upright Sedge No Erik Kiviat; June 1997. "N 

Monocot Cyperaceae Carex swanii Swan's Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex tribuloides Blunt Broom Sedge No 

Monocot Cyperaceae Carex typhina Cattail Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Carex vulpinoidea Fox Sedge Yes M.T. Strong, US National 

Monocot Cyperaceae Cyperus echinatus Globe Flatsedge Yes M.T. Strong, US National 

Monocot Cyperaceae Cyperus filiculmis Great Plains Flatsedge Yes 

Monocot Cyperaceae Cyperus retrofractus Rough Flatsedge Yes G5; S2? M.T. Strong, US National 

Monocot Cyperaceae Cyperus strigosus Strawcolored Flatsedge Yes 

Monocot Cyperaceae Schoenoplectus americanus Chairmaker's Bulrush No 

Monocot Cyperaceae Schoenoplectus fluviatilis River Bulrush Yes Laura Perry; Sept 1987 

Monocot Cyperaceae Schoenoplectus pungens Common Threesquare No 

Monocot Cyperaceae Schoenoplectus tabernaemontani Softstem Bulrush Yes 

Monocot Cyperaceae Scirpus cyperinus Woolgrass Yes M.T. Strong, US National



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Monocot Cyperaceae Scirpus polyphyllus Leafy Bulrush Yes M.T. Strong, US National 

Fern Dennstaedtiaceae Dennstaedtia punctilobula Eastern Hayscented Fern Yes 

Fern Dennstaedtiaceae Pteridium aquilinum Braken Fern Yes 

Dicot Dioscoreaceae Dioscorea villosa Wild Yam Yes G3Q; SH 

Fern Dryopteridaceae Dryopteris carthusiana Spinulose Woodfern Yes Stan Shetler, US Nationa 

Dicot Ebenaceae Diospyros virginiana Common Persimmon Yes 

Dicot Ericaceae Eubotrys racemosa Swamp Doghobble Yes 

Dicot Ericaceae Gaylussacia dumosa Dwarf Huckleberry Yes 

Dicot Ericaceae Kalmia latifolia Mountain Laurel Yes 

Dicot Ericaceae Lyonia ligustrina Maleberry No 

Dicot Ericaceae Rhododendron periclymenoides Pink Azalea Yes 

Dicot Ericaceae Rhododendron viscosum Swamp Azalea No 

Dicot Ericaceae Vaccinium angustifolium Lowbush Blueberry No 

Dicot Ericaceae Vaccinium corymbosum Highbush Blueberry No 

Dicot Ericaceae Vaccinium fuscatum Black Highbush Blueberry Yes 

Dicot Ericaceae Vaccinium stamineum Deerberry Yes 

Dicot Ericaceae Vaccinium pallidum Blue Ridge Blueberry Yes 

Dicot Euphorbiaceae Croton glandulosus Vente Conmigo No Joe Metzger; 25 July 199 

Dicot Euphorbiaceae Euphorbia corollata Flowering Spurge Yes 

Dicot Euphorbiaceae Euphorbia ipecacuanhae American Ipecac No 

Dicot Fabaceae Amphicarpaea bracteata American Hogpeanut No Karyn Molines 

Dicot Fabaceae Apios americana Groundnut Yes 

Dicot Fabaceae Baptisia tinctoria Horseflyweed No 

Dicot Fabaceae Cercis canadensis Eastern Redbud No 

Dicot Fabaceae Desmodium canescens Hoary Ticktrefoil Yes 

Dicot Fabaceae Desmodium ciliare Hairy Small-leaf Ticktrefoil No Joe Metzger; 24 July 199 

Dicot Fabaceae Desmodium laevigatum Smooth Ticktrefoil Yes G5; S3S4 

Dicot Fabaceae Desmodium marilandicum smooth small-leaf ticktrefoil No Karyn Molines 

Dicot Fabaceae Desmodium nudiflorum Nakedflower Ticktrefoil Yes 

Dicot Fabaceae Desmodium paniculatum Panicledleaf Ticktrefoil Yes 

Dicot Fabaceae Desmodium strictum Pine Barren Ticktrefoil No G4; S1 Karyn Molines; 12 Augus 

Dicot Fabaceae Desmodium viridiflorum Velvetleaf Ticktrefoil No G5?; S3S4 

Dicot Fabaceae Galactia volubilis Downy Milkpea Yes G5; S3 Ellen McCormick (27 Mar 

Dicot Fabaceae Kummerowia striata Japanese Clover Yes I 

Dicot Fabaceae Lespedeza cuneata Sericea Lespideza Yes I 

Dicot Fabaceae Lespedeza frutescens Shrubby Lespedeza Yes G5; S3 Cora Mason 

Dicot Fabaceae Lespedeza ×nuttallii Bush Clover No 

Dicot Fabaceae Lespedeza stuevei Tall Lespedeza No G4?; S3 

Dicot Fabaceae Phaseolus polystachios Thicket Bean No G5; S3 Joe Metzger; 25 July 199 

Dicot Fabaceae Rhynchosia tomentosa Twining Snoutbean Yes G5; S2; T Jim Stasz; Sept. 1988; ed 

Dicot Fabaceae Robinia pseudoacacia Black Locust Yes



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Fabaceae Securigera varia Crownvetch No I 

Dicot Fabaceae Strophostyles umbellata Pink Fuzzybean Yes 

Dicot Fabaceae Trifolium arvense Rabbitfoot Clover Yes 

Dicot Fabaceae Vicia cracca Bird Vetch Yes 

Dicot Fabaceae Vicia sativa Garden Vetch Yes 

Dicot Fagaceae Castanea dentata American Chestnut No 

Dicot Fagaceae Castanea mollissima Chinese Chestnut No I 

Dicot Fagaceae Castanea pumila Chinkapin Yes 

Dicot Fagaceae Fagus grandifolia American Beech Yes 

Dicot Fagaceae Quercus alba White Oak Yes 

Dicot Fagaceae Quercus bicolor Swamp White Oak No Dave Perry; June 2009 

Dicot Fagaceae Quercus coccinea Scarlet Oak No 

Dicot Fagaceae Quercus falcata Southern Red Oak Yes 

Dicot Fagaceae Quercus marilandica Blackjack Oak No 

Dicot Fagaceae Quercus michauxii Swamp Chestnut Oak Yes Dave Perry; June 2009. R 

Dicot Fagaceae Quercus pagoda Cherrybark Oak No Dave Perry; June 2009 

Dicot Fagaceae Quercus palustris Pin Oak Yes Stan Shetler, US Nationa 

Dicot Fagaceae Quercus phellos Willow Oak No 

Dicot Fagaceae Quercus prinus Chestnut Oak Yes 

Dicot Fagaceae Quercus rubra Northern Red Oak Yes 

Dicot Fagaceae Quercus stellata Post Oak Yes Bill Sipple 

Dicot Fagaceae Quercus velutina Black Oak No 

Dicot Gentianaceae Bartonia paniculata Twining Screwstem Yes 

Dicot Geraniaceae Geranium columbinum Longstalk Cranesbill Yes 

Dicot Geraniaceae Geranium molle Dovefoot Yes 

Dicot Grossulariaceae Itea virginica Virginia Sweetspire Yes 

Dicot Hamamelidaceae Hamamelis virginiana American Witchhazel Yes 

Dicot Hamamelidaceae Liquidambar styraciflua Sweetgum Yes 

Dicot Hydrangeaceae Hydrangea arborescens Wild Hydrangea Yes 

Monocot Hydrocharitaceae Elodea canadensis Waterweed Yes 

Monocot Hydrocharitaceae Hydrilla verticillata Waterthyme Yes I 

Monocot Hydrocharitaceae Vallisneria americana American Eelgrass No Historic? Identified on som 

Monocot Iridaceae Iris versicolor Harlequin Blueflag No 

Monocot Iridaceae Iris virginica Virginia Iris Yes G5; S3 

Dicot Juglandaceae Carya cordiformis Bitternut Hickory Yes Stan Shetler; Riggleman 

Dicot Juglandaceae Carya glabra Pignut Hickory No 

Dicot Juglandaceae Carya tomentosa Mockernut Hickory Yes 

Dicot Juglandaceae Juglans nigra Black Walnut No 

Monocot Juncaceae Juncus effusus Common Rush Yes Identifed by Bill Sipple 

Monocot Juncaceae Juncus tenuis Poverty Rush Yes M.T. Strong, US National 

Monocot Juncaceae Luzula bulbosa Bulbous Woodrush Yes M.T. Strong, US National



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Monocot Juncaceae Luzula multiflora Common Woodrush Yes Bill Sipple 

Dicot Lamiaceae Collinsonia canadensis Richweed Yes 

Dicot Lamiaceae Glechoma hederacea Ground Ivy No I 

Dicot Lamiaceae Lamium amplexicaule Henbit Deadnettle Yes 

Dicot Lamiaceae Lamium purpureum Purple Deadnettle No 

Dicot Lamiaceae Lycopus americanus American Water Horehound No Bill Sipple, 17 June 1997; 

Dicot Lamiaceae Lycopus rubellus Taperleaf Water Horehound Yes Needs confirmation 

Dicot Lamiaceae Lycopus virginicus Virginia Water Horehound Yes 

Dicot Lamiaceae Mentha arvensis Wild Mint No Cris Fleming; June 2009 

Dicot Lamiaceae Monarda punctata Spotted Beabalm Yes 

Dicot Lamiaceae Perilla frutescens Beefsteakplant No I 

Dicot Lamiaceae Prunella vulgaris Common Selfheal No 

Dicot Lamiaceae Pycnanthemum setosum Awned Mountainmint No 

Dicot Lamiaceae Salvia lyrata Lyreleaf Sage No 

Dicot Lamiaceae Scutellaria integrifolia Helmet Flower No 

Dicot Lamiaceae Scutellaria lateriflora Blue Skullcap Yes 

Dicot Lamiaceae Trichostema dichotomum Forked Bluecurls Yes 

Dicot Lauraceae Lindera benzoin Northern Spicebush Yes 

Dicot Lauraceae Sassafras albidum Sassafras Yes 

Monocot Lemnaceae Lemna minor Common Duckweed No Joe Metzger; 25 July 199 

Monocot Lemnaceae Spirodela polyrhiza Common Duckmeat No 

Monocot Liliaceae Allium vineale Wild Garlic Yes I 

Monocot Liliaceae Asperagus officinalis Garden Asperagus No 

Monocot Liliaceae Hemerocallis fulva Orange Daylily Yes I 

Monocot Liliaceae Lilium superbum Turk's Cap Lily No 

Monocot Liliaceae Maianthemum canadense Canada Mayflower No 

Monocot Liliaceae Maianthemum racemosum Feathery False Lily of the Valley Yes 

Monocot Liliaceae Medeola virginiana Indian Cucumber Yes 

Monocot Liliaceae Polygonatum biflorum Smooth Solomon's Seal Yes 

Monocot Liliaceae Uvularia perfoliata Perfoliate Bellwort Yes 

Monocot Liliaceae Uvularia sessilifolia Sessileleaf Bellwort Yes 

Lycopod Lycopodiaceae Huperzia lucidula Shining Clubmoss Yes Wayne Longbottom 

Lycopod Lycopodiaceae Lycopodium clavatum Running Clubmoss Yes Stan Shetler, US Nationa 

Lycopod Lycopodiaceae Lycopodium complanatum Groundcedar Yes Wayne Longbottom 

Lycopod Lycopodiaceae Lycopodium digitatum Fan Clubmoss Yes D. Davis 

Lycopod Lycopodiaceae Lycopodium obscurum Rare Clubmoss Yes Dave Laughlin & Wayne L 

Dicot Lythraceae Decodon verticillatus Swamp Loosestrife Yes 

Dicot Lythraceae Lythrum salicaria Purple Loosestrife No I 

Dicot Magnoliaceae Liriodendron tulipifera Tuliptree Yes 

Dicot Magnoliaceae Magnolia virginiana Sweetbay Yes 

Dicot Malvaceae Althaea officinalis Common Marshmallow No I Cris Fleming, June 2009



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Malvaceae Hibiscus laevis Halberdleaf Rosemallow No G5; S3 

Dicot Malvaceae Hibiscus moscheutos Crimsoneyed Rosemallow Yes 

Dicot Melastomataceae Rhexia mariana Maryland Meadowbeauty Yes 

Dicot Mimosaceae Albizia julibrissin Silktree Yes I 

Dicot Molluginaceae Mollugo verticillata Green Carpetweed Yes 

Dicot Monotropaceae Monotropa uniflora Indianpipe Yes 

Dicot Moraceae Broussonetia papyrifera Paper Mulberry No I Karyn Molines 

Dicot Moraceae Morus alba White Mullberry No I 

Dicot Moraceae Morus rubra Red Mullberry Yes Dave Perry & Danny Byst 

Monocot Najadaceae Najas flexilis Nodding Waternymph No 

Monocot Najadaceae Najas gracillima Slender Waternymph Yes G5?; SU; X Need specimen for confir 

Monocot Najadaceae Najas guadalupensis Southern Waternymph Yes 

Monocot Najadaceae Najas minor Brittle Waternymph Yes I Robert R. Haynes (1993) 

Dicot Nymphaeaceae Nuphar lutea Yellow Pond-lily Yes 

Dicot Oleaceae Chionanthus virginicus White Fringetree Yes Bill Sipple; Otter Point (so 

Dicot Oleaceae Fraxinus americana White Ash Yes 

Dicot Oleaceae Fraxinus pennsylvanica Green Ash No 

Dicot Oleaceae Fraxinus profunda Pumpkin Ash Yes Charlie Davis 

Dicot Oleaceae Ligustrum sp. Privet No I 

Dicot Onagraceae Circaea lutetiana Broadleaf Enchanter's Nightshade Yes 

Dicot Onagraceae Circaea quadrisulcata Enchanter's Nightshade No 

Dicot Onagraceae Epilobium coloratum Purpleleaf Willowherb Yes 

Dicot Onagraceae Ludwigia alternifolia Seedbox Yes 

Dicot Onagraceae Ludwigia palustris Marsh Seedbox No 

Dicot Onagraceae Oenothera biennis Common Evening Primrose Yes 

Dicot Onagraceae Oenothera laciniata Cutleaf Evening Primrose No 

Dicot Onocleaceae Onoclea sensibilis Sensitive Fern Yes 

Fern Ophioglossaceae Botrychium dissectum Cutleaf Grapefern No 

Fern Ophioglossaceae Botrychium virginianum Rattlesnake Fern Yes 

Fern Ophioglossaceae Ophioglossum vulgatum Southern Adderstongue Yes Bill Sipple; May 2009; Rig 

Monocot Orchidaceae Corallorhiza odontorhiza Autumn Coralroot No Carroll Hughes; 6 Octobe 

Monocot Orchidaceae Cypripedium acaule Moccasin Flower No 

Monocot Orchidaceae Goodyera pubescens Downy Rattlesnake Plantain Yes Karyn Molines & Dave La 

Monocot Orchidaceae Tipularia discolor Crippled Cranefly Yes 

Dicot Orobanchaceae Epifagus virginiana Beechdrops Yes 

Fern Osmundaceae Osmunda cinnamomea Cinnamon Fern Yes 

Fern Osmundaceae Osmunda claytoniana Interrupted Fern No Karyn Molines; summer 1 

Fern Osmundaceae Osmunda regalis Royal Fern Yes 

Dicot Oxalidaceae Oxalis stricta Common Yellow Oxalis Yes Needs species confirmati 

Dicot Papaveraceae Papaver dubium Blindeyes No 

Dicot Papaveraceae Sanguinaria canadensis Bloodroot Yes



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Passifloraceae Passiflora lutea Yellow Passionflower Yes Gene Cooley (23 June 19 

Dicot Passifloraceae Passiflora incarnata Purple Passionflower 

Dicot Phytolaccaceae Phytolacca americana American Pokeweed Yes 

Dicot Pinaceae Pinus strobus Eastern White Pine No I 

Dicot Pinaceae Pinus taeda Loblolly Pine No 

Dicot Pinaceae Pinus virginiana Scrub Pine Yes 

Dicot Plantaginaceae Plantago aristata Largebracted Plantain Yes 

Dicot Plantaginaceae Plantago virginica Virginia Plantain Yes 

Dicot Platanaceae Platanus occidentalis American Sycamore No 

Monocot Poaceae Andropogon gerardii Big Bluestem Yes 

Monocot Poaceae Andropogon ternarius Splitbeard Bluestem Yes 

Monocot Poaceae Andropogon virginicus Broomsedge Bluestem Yes 

Monocot Poaceae Anthoxanthum odoratum Sweet Vernalgrass No 

Monocot Poaceae Aristida longespica Slimspike Threeawn Yes R.J. Soreng (2009), US N 

Monocot Poaceae Arthraxon hispidus Small Carpgrass Yes 

Monocot Poaceae Cenchrus longispinus Mat Sandbur Yes R.J. Soreng (2009), US N 

Monocot Poaceae Chasmanthium laxum Slender Woodoats Yes R.J. Soreng (2009), US N 

Monocot Poaceae Cinna arundinacea Sweet Woodreed Yes R.J. Soreng (2009), US N 

Monocot Poaceae Danthonia spicata Poverty Oatgrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Deschampsia flexuosa Wavy Hairgrass Yes Bill Sipple; 17 June 1997 

Monocot Poaceae Dichanthelium acuminatum Tapered Rosette grass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Dichanthelium boscii Bosc's Panicgrass Yes 

Monocot Poaceae Dichanthelium clandestinum Deertongue Yes Elmer Worthly (1986); Eri 

Monocot Poaceae Digitaria cognata Fall Witchgrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Digitaria sanguinalis Hairy Crabgrass No 

Monocot Poaceae Echinochloa walteri Coast Cockspur Grass No 

Monocot Poaceae Elymus virginicus Virginia Wildrye Yes R.J. Soreng (2009), US N 

Monocot Poaceae Eragrostis spectabilis Purple Lovegrass Yes 

Monocot Poaceae Glyceria canadensis Rattlesnake Mannagrass No 

Monocot Poaceae Glyceria striata Fowl Mannagrass Yes Bill Sipple 

Monocot Poaceae Gymnopogon ambiguus Bearded Skeletongrass Yes Charlie Davis 

Monocot Poaceae Leersia oryzoides Rice Cutgrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Leersia virginica Whitegrass No 

Monocot Poaceae Microstegium vimineum Asian Stiltgrass Yes I Bill Sipple (collected by E 

Monocot Poaceae Panicum anceps Beaked Panicgrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Panicum virgatum Switchgrass No 

Monocot Poaceae Paspalum setaceum Thin Paspalum Yes R.J. Soreng (2009), US N 

Monocot Poaceae Phalaris arundinacea Reed Canarygrass No Erik Kiviat; June 1997. "V 

Monocot Poaceae Phleum pratense Timothy Yes I R.J. Soreng (2009), US N 

Monocot Poaceae Phragmites australis Common Reed Yes I 

Monocot Poaceae Piptochaetium avenaceum Blackseed Speargrass Yes R.J. Soreng (2009), US N



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Monocot Poaceae Poa annua Annual Bluegrass No 

Monocot Poaceae Poa autumnalis Autumn Bluegrass No Bill Sipple; 17 June 1997 

Monocot Poaceae Schedonorus phoenix Tall Fescue Yes R.J. Soreng (2009), US N 

Monocot Poaceae Schizachyrium scoparium Little Bluestem No 

Monocot Poaceae Setaria faberi Japanese Bristlegrass Yes I 

Monocot Poaceae Setaria pumila Yellow Foxtail Yes R.J. Soreng (2009), US N 

Monocot Poaceae Sorghastrum nutans Indiangrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Sorghum halepense Johnsongrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Tridens flavus Purpletop Tridens Yes R.J. Soreng (2009), US N 

Monocot Poaceae Tripsacum dactyloides Eastern Gamagrass Yes R.J. Soreng (2009), US N 

Monocot Poaceae Zizania aquatica Annual Wildrice Yes 

Dicot Polygonaceae Polygonum arifolium Halberdleaf Tearthumb Yes 

Dicot Polygonaceae Polygonum cespitosum Oriental Lady's Thumb No I 

Dicot Polygonaceae Polygonum cuspidatum Japanese Knotweed No I 

Dicot Polygonaceae Polygonum hydropiper Marshpepper Knotweed No I 

Dicot Polygonaceae Polygonum perfoliatum Asiatic Tearthumb Yes I 

Dicot Polygonaceae Polygonum persicaria Spotted Ladysthumb Yes 

Dicot Polygonaceae Polygonum punctatum Dotted Smartweed Yes 

Dicot Polygonaceae Polygonum sagittatum Arrowleaf Tearthumb Yes 

Dicot Polygonaceae Polygonum scandens Climbing False Buckwheat No 

Dicot Polygonaceae Polygonum tenue Pleatleaf Knotweed No Charlie Davis 

Dicot Polygonaceae Rumex acetosella Common Sheepsorrel Yes 

Dicot Polygonaceae Rumex obtusifolius Bitter Dock No I 

Dicot Polygonaceae Rumex verticillatus Swamp Dock Yes Bill Sipple 

Fern Polypodiaceae Polypodium virginianum Rock Polypody Yes 

Dicot Pontederiaceae Heteranthera reniformis Kidneyleaf Mudplantain Yes 

Dicot Pontederiaceae Pontederia cordata Pickerelweed Yes 

Dicot Portulacaceae Claytonia virginica Virginia Springbeauty Yes 

Monocot Potomagetonaceae Potamogeton crispus Curly Pondweed Yes I 

Dicot Primulaceae Lysimachia ciliata Fringed Loosestrife Yes 

Dicot Primulaceae Lysimachia nummularia Creeping Jenny No 

Dicot Primulaceae Lysimachia quadrifolia Whorled Yellow Loosestrife Yes 

Dicot Pyrolaceae Chimaphila maculata Striped Prince's Pine Yes 

Dicot Pyrolaceae Chimaphila umbellata Pipsissewa Yes Stan Shetler, US Nationa 

Dicot Ranunculaceae Actaea racemosa Black Baneberry Yes Stan Shetler, US Nationa 

Dicot Ranunculaceae Aquilegia canadensis Red Columbine Yes 

Dicot Ranunculaceae Clematis virginiana Devil's Darning Needles Yes 

Dicot Ranunculaceae Ranunculus abortivus Littleleaf Buttercup Yes 

Dicot Ranunculaceae Ranunculus bulbosus St. Anthony's Turnip Yes I 

Dicot Ranunculaceae Ranunculus hederaceus Ivy Buttercup No Cris Fleming, June 2009 

Dicot Ranunculaceae Ranunculus hispidus Bristly Buttercup Yes



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Ranunculaceae Ranunculus recurvatus Blisterwort No 

Dicot Ranunculaceae Thalictrum pubescens King of the Meadow Yes 

Dicot Rosaceae Amelanchier canadensis Canadian Serviceberry Yes 

Dicot Rosaceae Duchesnea indica Indian Strawberry Yes I Bill Sipple & Erik Kiviat 

Dicot Rosaceae Fragaria virginiana Virginia Strawberry No 

Dicot Rosaceae Geum canadense White Avens Yes 

Dicot Rosaceae Photinia floribunda Purple Chokeberry Yes 

Dicot Rosaceae Photinia pyrifolia Red Chokeberry Yes 

Dicot Rosaceae Potentilla canadensis Dwarf Cinquefoil No 

Dicot Rosaceae Prunus serotina Black Cherry Yes 

Dicot Rosaceae Pyrus calleryana Callery Pear No I 

Dicot Rosaceae Rosa carolina Carolina Rose Yes Holly Budd 

Dicot Rosaceae Rosa multiflora Multiflora Rose No I 

Dicot Rosaceae Rosa palustris Swamp Rose Yes 

Dicot Rosaceae Rubus allegheniensis Allegheny Blackberry Yes Erik Kiviat 

Dicot Rosaceae Rubus argutus Sawtooth Blackberry Yes Herb Kobayashi & Laura 

Dicot Rosaceae Rubus phoenicolasius Wine Raspberry No I 

Dicot Rubiaceae Cephalanthus occidentalis Common Buttonbush Yes 

Dicot Rubiaceae Diodia teres Poorjoe Yes 

Dicot Rubiaceae Galium aparine Stickywilly No 

Dicot Rubiaceae Galium circaezans Licorice Bedstraw Yes 

Dicot Rubiaceae Galium pilosum Hairy Bedstraw No 

Dicot Rubiaceae Galium tinctorium Stiff Marsh Bedstraw No Cris Fleming; June 2009 

Dicot Rubiaceae Houstonia longifolia Longleaf Summer Bluet Yes 

Dicot Rubiaceae Houstonia purpurea Venus' Pride No 

Dicot Rubiaceae Mitchella repens Partridgeberry No 

Dicot Salicaceae Populus grandidentata Big Tooth Aspen Yes 

Dicot Salicaceae Salix nigra Black Willow Yes 

Dicot Saururaceae Saururus cernuus Lizard's Tail Yes 

Dicot Saxifragaceae Saxifraga virginiensis Early Saxifrage Yes 

Dicot Scrophulariaceae Chelone glabra White Turtlehead No Cris Fleming; June 2009 

Dicot Scrophulariaceae Chelone obliqua Red Turtlehead Yes G4; S1 Dave Williams (AA Comm 

Dicot Scrophulariaceae Linaria vulgaris Butter and Eggs Yes 

Dicot Scrophulariaceae Mimulus alatus Sharpwing Monkeyflower Yes 

Dicot Scrophulariaceae Nuttallanthus canadensis Canada Toadflax Yes 

Dicot Scrophulariaceae Paulownia tomentosa Princesstree No I 

Dicot Scrophulariaceae Scrophularia marilandica Carpenter's Square Yes 

Dicot Scrophulariaceae Verbascum thapsus Common Mullien Yes I 

Dicot Scrophulariaceae Veronica arvensis Corn Speedwell Yes 

Dicot Simaroubaceae Ailanthus altissima Tree of Heaven No I 

Dicot Smilicaceae Smilax glauca Cat Greenbrier Yes



Specimen in 


Herbarium 

Introduced 

or Invasive 

Species 

Global and 

Maryland T & 

E Status 



& Notes 

Dicot Smilicaceae Smilax laurifolia Laurel Greenbrier No Karyn Molines; 12 Augus 

Dicot Smilicaceae Smilax rotundifolia Roundleaf Greenbrier Yes 

Dicot Smilicaceae Smilax tamnoides Bristly Greenbrier No Rod Simmons; 4 August 2 

Dicot Solanaceae Solanum carolinense Carolina Horsenettle Yes 

Monocot Sparganiaceae Sparganium americanum American Bur-reed Yes 

Monocot Sparganiaceae Sparganium eurycarpum Broadfruit Bur-reed No G5; S3 

Dicot Tiliaceae Tilia americana American Basswood No Dave Perry, June 2009 

Monocot Typhaceae Typha angustifolia Narrowleaf Cattail No 

Monocot Typhaceae Typha latifolia Broadleaf Cattail Yes Stephanie Mason & D. Da 

Monocot Typhaceae Typha X glauca Hybrid Cattail No 

Dicot Ulmaceae Celtis occidentalis Common Hackberry Yes 

Dicot Ulmaceae Ulmus americana American Elm Yes 

Dicot Urticaceae Boehmeria cylindrica Smallspike False Nettle Yes 

Dicot Urticaceae Laportea canadensis Canadian Woodnettle Yes 

Dicot Urticaceae Pilea fontana Lesser Clearweed Yes G5; S3 Joe Metzger (no date) alo 

Dicot Urticaceae Pilea pumila Canadian Clearweed Yes 

Dicot Verbeneaceae Verbena urticifolia White Vervain Yes 

Dicot Violaceae Viola arvensis European Field Pansy Yes I 

Dicot Violaceae Viola bicolor Field Pansy Yes 

Dicot Violaceae Viola cucullata Marsh Blue Violet Yes 

Dicot Violaceae Viola lanceolata Bog White Violet No 

Dicot Violaceae Viola sororia Common Blue Violet Yes 

Dicot Vitaceae Ampelopsis brevipedunculata Amur Peppervine No I 

Dicot Vitaceae Parthenocissus quinquefolia Virginia Creeper Yes 

Dicot Vitaceae Vitis aestivalis Summer Grape Yes Stan Shetler, US Nationa 

Dicot Vitaceae Vitis labrusca Fox Grape Yes Stan Shetler, US Nationa 

Dicot Vitaceae Vitis vulpina Frost Grape Yes 

Monocot Zannichelliaceae Zannichellia palustris Horned Pondweed Yes

Vascular Plants - Jug Bay Wetlands Sanctuary

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