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Patuxent Wildlife Research Center

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Checklist of species of native and naturalized vascular plants reported from Kenilworth Aquatic Gardens and Park compiled by Stanwyn G. Shetler and Sylvia B. Stone
Abutilon theophrasti Malvaceae velvetleaf US
#Acer japonicum Aceraceae maple, Japanese
Acer negundo Aceraceae maple, box-elder
Acer rubrum Aceraceae maple, red US
Acer saccharinum Aceraceae maple, silver
#Achillea millefolium Asteraceae yarrow
Acorus calamus Araceae sweet-flag
Ailanthus altissima Simaroubaceae tree-of-heaven US
Alisma plantago-aquatica Alismaceae water-plantain, northern
Alisma subcordatum Alismaceae water-plantain, common US
#Allium vineale Liliaceae garlic, field
Alnus serrulata Betulaceae alder, smooth US
Amaranthus cannabinus Amaranthaceae water-hemp US
Amaranthus hybridus Amaranthaceae amaranth, green US
Ambrosia artemisiifolia Asteraceae ragweed, common US
Ambrosia trifida Asteraceae ragweed, giant US
Amelanchier spicata Rosaceae serviceberry, low US
Ampelamus albidus Asclepiadaceae honeyvine US
Amphicarpaea bracteata Amphicarpaceae hog-peanut US
#Andropogon virginicus Poaceae broom-sedge
Anthoxanthum odoratum Poaceae grass, sweet vernal US
Apios americana Fabaceae groundnut, common US
*Apocynum cannabinum Apocynaceae Indian-hemp
Arabidopsis thaliana Brassicaceae cress, mouse-eared US
*Aralia spinosa Araliaceae Hercules'-club
#Arenaria serpyllifolia Caryophyllaceae sandwort
Aristida oligantha Poaceae three-awn, prairie US
Artemisia vulgaris Asteraceae mugwort, common
Arthraxon hispidus Poaceae anthraxon, joint-head US
Asclepias incarnata Asclepiadaceae milkweed, swamp US
#Asclepias syriaca Asclepiadaceae milkweed, common
Asimina triloba Anonaceae pawpaw US
Aster dumosus Asteraceae aster, bushy US
Aster puniceus Asteraceae aster, purple-stemmed X
Aster simplex Asteraceae aster, tall white US
Aster vimineus Asteraceae aster, small white US
+Berberis thunbergii Berberidaceae barberry, Japanese
Betula nigra Betulaceae birch, river US
Bidens bipinnata Asteraceae Spanish-needles US
Bidens cernua Asteraceae bur-marigold X
Bidens comosa Asteraceae beggar-ticks, strawstem X
Bidens frondosa Asteraceae beggar-ticks, devil's US
Bidens laevis Asteraceae bur-marigold, showy
Bidens polylepis Asteraceae tickseed-sunflower
Bidens vulgata Asteraceae beggar-ticks, tall X
Boehmeria cylindrica Urticaceae nettle, false US
Botrychium virginianum Ophioglossaceae rattlesnake-fern US
Calystegia sepium Convolvulaceae bindweed, hedge US
Campsis radicans Bignoniaceae trumpet-creeper US
Capsella bursa-pastoris Brassicaceae Sherpherd's-purse US
Cardamine bulbosa Brassicaceae cress, spring US
Cardamine hirsuta Brassicaceae bittercress, hairy US
Cardamine pensylvanica Brassicaceae bittercress, Pennsylvania US
Carex albolutescens Cyperaceae carex, pale yellow US
Carex amphibola Cyperaceae sedge, puzzle US
Carex blanda Cyperaceae carex, charming US
Carex crinita Cyperaceae carex, long-haired US
Carex frankii Cyperaceae sedge, Frank's X
#Carex laevivaginata Cyperaceae sedge, smooth-sheathed
Carex lurida Cyperaceae sedge, sallow US
Carex rosea Cyperaceae sedge, rosy US
Carex scoparia Cyperaceae sedge, pointed broom US
Carex squarrosa Cyperaceae sedge, squarrose US
Carex stipata Cyperaceae sedge, crowded US
Carex stricta Cyperaceae sedge, tussock
Carex swanii Cyperaceae carex, Swan's US
#Carex tribuloides Cyperaceae sedge, caltrop
Carex vulpinoidea Cyperaceae sedge, fox X
#Carpinus caroliniana Betulaceae ironwood
#Carya tomentosa Juglandaceae hickory, mockernut
Cassia nictitans (See Chamaecrista)
Catalpa speciosa Bignoniaceae cigar-tree US
*Celastrus orbiculatus Celastraceae bittersweet, oriental
Cephalanthus occidentalis Rubiaceae buttonbush US
Chaerophyllum procumbens As C. tainturieri Apiaceae wild-chervil US
Chamaecrista fasciculata (Cassia f.) Fabaceae partridge-pea US
Chamaecrista nictitans (Cassia n.) Fabaceae sensitive-plant, wild US
Chelone glabra Scrophulariaceae turtlehead US
Chenopodium album Chenopodiaceae lamb's-quarters US
Chimaphila maculata Pirolaceae wintergreen, spotted US
Chionanthus virginicus Oleaceae fringe-tree US
Cicuta maculata Apiaceae cowbane, spotted US
#Cinna arundinacea Poaceae woodreed, common
Claytonia virginica Portulacaceae spring-beauty US
*Clematis terniflora Ranunculaceae clematis, yam-leaved
Clematis virginiana Ranunculaceae virgin's-bower
#Commelina communis Commelinaceae dayflower, Asiatic
Conyza canadensis Asteraceae horseweed US
Cornus amomum Cornaceae dogwood, silky US
Cornus florida Cornaceae dogwood, flowering US
#Coronilla varia Fabaceae crown-vetch
Corydalis flavula Papaveraceae corydalis, yellow US
#Corylus americana Betulaceae hazelnut
Cuscuta pentagona (Includ. C. campestris) Convolvulaceae dodder, field US
Cuscuta polygonorum Convolvulaceae dodder, smartweed
Cyperus brevifolioides Cyperaceae galingale, short-leaf US
Cyperus brevifolius Cyperaceae flatsedge, short-leaf X
Cyperus erythrorhizos Cyperaceae galingale, red-rooted X
Cyperus flavescens Cyperaceae galingale, yellow X
Cyperus fuscus Cyperaceae galingale, dusky
Cyperus iria Cyperaceae cyperus, yellow US
Cyperus odoratus Cyperaceae galingale, fragrant US
Cyperus rivularis Cyperaceae cyperus, shining X
Cyperus strigosus Cyperaceae cyperus, straw-colored X
Cyperus tenuifolius Cyperaceae kylinga, low US
*Dactylis glomerata Poaceae grass, orchard
Danthonia spicata Poaceae oatgrass, poverty US
Datura stramonium Solanaceae jimson-weed US
#Daucus carota Apiaceae Queen Anne's-lace
Dichanthelium clandestinum (Panicum c.) Poaceae grass, deer-tongue US
+Dichanthelium dichotomum (As Panicum d.) Poaceae
Digitaria ischaemum Poaceae crabgrass, smooth US
Digitaria sanguinalis Poaceae crabgrass, hairy US
#Diospyros virginiana Ebenaceae persimmon
Draba verna Brassicaceae grass, Whitlow US
Dulichium arundinaceum Cyperaceae three-way-sedge
Echinocloa crusgalli Poaceae grass, barnyard US
Echinocloa muricata Poaceae grass, barnyard X
Echinocloa walteri Poaceae millet, Walter's X
Eclipta prostrata (E. alba) Asteraceae yerba-de-tajo US
Eleocharis obtusa Cyperaceae spikerush, blunt US
Eleocharis quadrangulata Cyperacae spikerush, four-angled
Elymus virginicus Poaceae wild-rye, Virginia US
Epilobium coloratum Onagraceae willow-herb, purple-leaved X
Equisetum arvense Equisetaceae horsetail, common US
Eragrostis capillaris Poaceae grass, lace US
Eragrostis cilianensis Poaceae grass, stink US
Eragrostis pectinacea Poaceae grass, pink US
Eragrostis poaeoides Poaceae grass, love X
Erigeron annuus Asteraceae fleabane, daisy US
Erigeron philadelphicus Asteraceae fleabane, Philadelphia US
Eubotrys (See Leucothoe) Ericaceae
Eupatoriadelphus fistulosus (Eupatorium f.) Asteraceae joe-pye-weed, hollow-stemmed
Eupatoriadelphus maculatus (Eupatorium m.) Asteraceae joe-pye-weed, spotted
Eupatorium perfoliatum Asteraceae boneset
Eupatorium serotinum Asteraceae thoroughwort, late-flowering US
Euphorbia nutans Euphorbiaceae spurge, spotted US
#Fagus grandifolia Fagaceae beech, American
#Festuca elatior Poaceae fescue, tall
@Fraxinus americana Oleaceae ash, white
Fraxinus pennsylvanica Oleaceae ash, red or green US
Fraxinus profunda Oleaceae ash, pumpkin US
*Galium aparine Rubiaceae cleavers
Galium mollugo Rubiaceae madder, wild
Galium tinctorium Rubiaceae bedstraw, Clayton's US
Geranium carolinianum Geraniaceae crane's-bill, Carolina US
#Geum virginianum Rosaceae avens, rough
Glechoma hederacea Lamiaceae ground-ivy US
+Gleditsia triacanthos Fabaceae honey-locust
Glyceria striata Poaceae grass, nerved manna US
*Hedera helix Araliaceae English-ivy
Helianthus tuberosus Asteraceae Jerusalem-artichoke US
Hibiscus moscheutos Malvaceae mallow, rose US
#Hordeum pusillum Poaceae barley, little
Hypericum gymnanthum Malvaceae St. John's-wort
*Ilex opaca Aquifoliaceae holly, American
Ilex verticillata Aquifoliaceae winterberry
Impatiens capensis Balsaminaceae touch-me-not, spotted
Ipomoea lacunosa Convolvulaceae morning-glory, small-flowered US
Ipomoea pandurata Convolvulaceae sweet-potato, wild
*Iris pseudacorus Iridaceae flag, yellow
Iris versicolor Iridaceae flag, blue
+Juglans nigra Juglandaceae walnut, black
Juncus acuminatus Juncaceae rush, tapertip X
Juncus dichotomus Juncaceae rush, forked X
Juncus diffusissimus Juncaceae rush, slim-pod X
Juncus effusus Juncaceae rush, soft X
*Juncus tenuis Juncaceae rush, path
#Juniperus virginiana Pinaceae cedar, eastern red
#Kalmia latifolia Ericaceae laurel, mountain
Krigia virginica Asteraceae dwarf-dandelion US
Lactuca biennis Asteraceae lettuce, tall blue US
Lactuca floridana Asteraceae lettuce, Florida blue
Lamium purpureum Lamiaceae dead-nettle, purple US
*Laportea canadensis Urticaceae nettle, wood
Leersia oryzoides Poaceae cutgrass, rice US
Leersia virginica Poaceae grass, white US
Lepidium virginicum Poaceae pepper-grass US
Leptochloa fascicularis Poaceae grass, gray feather US
Leucothoe racemosa Ericaceae fetterbush US
Ligustrum ovalifolium Oleaceae privet, California US
Lilium superbum Liliaceae lily, turk's-cap
Linaria canadensis Scrophulariaceae toadflax, old-field US
Lindera benzoin Lauraceae spicebush US
Lindernia dubia Scrophulariaceae pimpernel, false X
*Liquidambar styraflua Hamamelidaceae sweet-gum
#Liriodendron tulipfera Magnoliaceae tulip-tree
Lobelia cardinalis Campanulaceae cardinal-flower
#Lolium perenne Poaceae ryegrass, perennial
Lonicera japonica Caprifoliaceae honeysuckle, Japanese US
Lonicera maackii Caprifoliaceae honeysuckle, bush US
#Lotus corniculatus Fabaceae birdsfoot-trefoil
#Ludwigia alternifolia Onagraceae seedbox
Ludwigia palustris Onagraceae water-purslane X
Ludwigia peploides Onagraceae seedbox, floating X
Lycopus americanus Lamiaceae water-horehound, cut-leaved US
Lycopus rubellus Lamiaceae water-horehound, stalked
Lycopus virginicus Lamiaceae water-horehound US
#Lysimachia quadrifolia Primulaceae loosestrife, whorled
Lythrum salicaria Lythraceae loosestrife, purple X
*Magnolia grandiflora Magnoliaceae bull-bay
*Magnolia virginiana Magnoliaceae sweet-bay
@Malus sylvestris Rosaceae apple
#Medicago lupulina Fabaceae black-medic
Melilotus officinalis Fabaceae sweet-clover, yellow US
Mentha arvensis Lamiaceae mint, field X
#Microstegium vimineum Poaceae microstegium, Nepal
Mikania scandens Asteraceae hempweed, climbing US
Mimulus ringens Scrophulariaceae monkeyflower, Allegheny
Mollugo verticillata Aizoaceae carpetweed US
Morus alba Moraceae mulberry, white US
Morus rubra Moraceae mulberry, red
Muhlenbergia schreberi Poaceae nimbleweed US
Myosotis laxa Boraginaceae forget-me-not, smaller X
Nuphar luteum (N. advena) Nymphaceae spatterdock
#Nyssa sylvatica Cornaceae blackgum
Oenothera biennis Onagraceae evening-primrose, common
Onoclea sensibilis Polypodiaceae fern, sensitive
Ornithogalum umbellatum Liliaceae star-of-Bethlehem US
Osmorhiza longistylis Apiaceae anise-root US
Osmunda cinnamomea Osmundaceae fern, cinnamon US
Osmunda regalis Osmundaceae fern, royal US
#Oxalis dillenii Oxalidaceae wood-sorrel, southern yellow
Oxalis repens Oxalidaceae sorrel, creeping lady's US
Panicum dichotomiflorum (See also Dichanthelium) Poaceae grass, fall panic US
Parthenocissus quinquefolia Vitaceae Virginia-creeper
Paulownia tomentosa Scrophulariaceae princess-tree US
Peltandra virginica Araceae arrow-arum
Penthorum sedoides Crassulaceae stonecrop, Virginia US
Phalaris arundinacea Poaceae grass, reed canary US
Phragmites australis Poaceae reed, common
*Phytolacca americana Pytolaccaceae poke
Pilea pumila Urticaceae richweed
*Pinus virginiana Pinaceae pine, scrub
#Plantago lanceolata Plantaginaceae plantain, English
*Plantago major Plantaginaceae plantain, common
Plantago virginica Plantaginaceae plantain, dwarf US
Platanus occidentalis Platanaceae sycamore
Poa annua Poaceae bluegrass, annual US
Poa compressa Poaceae bluegrass, Canada US
#Poa pratensis Poaceae bluegrass, Kentucky
Poa trivialis Poaceae bluegrass, rough-stalked US
Polygonum amphibium (P. coccineum) Polygonaceae smartweed, water
Polygonum arifolium Polygonaceae tearthumb, halberd-leaved US
Polygonum cespitosum Polygonaceae smartweed US
Polygonum hydropiper Polygonaceae smartweed, common X
Polygonum hydropiperoides Polygonaceae water-pepper, mild US
Polygonum lapathifolium Polygonaceae willow-weed US
Polygonum pensylvanicum Polygonaceae smartweed, Pennsylvania US
#Polygonum perfoliatum Polygonaceae mile-a-minute
Polygonum persicaria Polygonaceae heart's-ease US
Polygonum punctatum Polygonaceae smartweed, water US
Polygonum sagittatum Polygonaceae tearthumb, arrow-leaved US
Polygonum virginianum Polygonaceae knotweed, Virginia US
Pontederia cordata Pontederiaceae pickerel-weed
Populus deltoides Salicaceae cottonwood, eastern X
Potentilla canadensis Rosaceae cinquefoil, dwarf US
#Prunus avium Rosaceae cherry, bird
Prunus pennsylvanica Rosaceae cherry, pin
Prunus serotina Rosaceae cherry, black US
Prunus virginiana Rosaceae cherry, choke
#Quercus alba Fagaceae oak, white
Quercus borealis (See Q. rubra) Fagaceae
@Quercus coccinea Fagaceae oak, scarlet
*Quercus falcata Fagaceae oak, southern red
*Quercus palustris Fagaceae oak, pin
*Quercus phellos Fagaceae oak, willow
#Quercus prinus Fagaceae oak, chestnut
#Quercus rubra (Q. borealis) Fagaceae oak, northern red
#Quercus velutina Fagaceae oak, black
Ranunculus abortivus Ranunculaceae crowfoot, kidneyleaf US
Ranunculus sceleratus Ranunculaceae crowfoot, cursed
Rhododendron periclymenoides Ericaceae pinxter-flower US
*Rhus typhina Anacardiaceae sumac, staghorn
*Robinia pseudoacacia Fabaceae locust, black
Rorippa islandica Brassicaceae cress, yellow US
Rosa multiflora Rosaceae rose, multiflora
Rosa palustris Rosaceae rose, swamp US
*Rubus allegheniensis Rosaceae blackberry, common
Rubus discolor (Misidentified as R. cuneifolius) Rosaceae blackberry, Himalayan US
Rubus occidentalis Rosaceae raspberry, black US
#Rubus phoenicolasius Rosaceae wineberry
*Rumex crispus Polygonaceae dock, curly
*Rumex patientia Polygonaceae dock, patience
Rumex verticillatus Polygonaceae dock, water
Sagittaria latifolia Alismataceae duck-potato US
Salix matsudana Salicaceae willow, corkscrew
Salix nigra Salicaceae willow, black US
+Salix purpurea Salicaceae willow, basket
Sambucus canadensis Caprifoliaceae elder, common US
Sassafras albidum Lauraceae sassafras US
Saururus cernuus Saururaceae lizard's-tail
Scirpus atrovirens Cyperaceae bulrush, green
Scirpus cyperinus (Including S. rubricosus) Cyperaceae woolgrass X
Scirpus fluviatilis Cyperaceae bulrush, river X
Scirpus polyphyllus Cyperaceae bulrush, many-leaved X
Scirpus pungens Cyperaceae three-square, common X
Scirpus purshianus Cyperaceae bulrush, Pursh's X
Scirpus rubricosus (See S. cyperinus)
Scirpus validus Cyperaceae bulrush, great X
Scutellaria lateriflora Lamiaceae skullcap, mad-dog US
Senecio aureus Asteraceae ragwort, golden US
Senecio vulgaris Asteraceae groundsel, common US
Setaria faberi Poaceae grass, Japanese bristle
Setaria viridis Poaceae foxtail, green US
Sida spinosa Malvaceae sida, prickly US
Silene antirrhina Caryophyllaceae catchfly, sleepy US
#Smilacina racemosa Liliaceae Solomon's-seal, false
#Smilax glauca Liliaceae greenbrier, glaucous
*Smilax rotundifolia Smilicaceae greenbrier, common
Solanum americanum Solanaceae nightshade, American US
#Solidago altissima Asteraceae goldenrod, tall
Solidago graminifolia Asteraceae goldenrod, grass-leaved
Solidago rugosa Asteraceae goldenrod, wrinkle-leaf US
Sonchus asper Asteraceae sow-thistle US
Sparganium americanum Sparganiaceae bur-reed, American
Sparganium eurycarpum Sparganiaceae bur-reed, large X
Sphenopholis intermedia Poaceae wedgegrass, slender US
#Sphenopholis obtusata Poaceae wedge-grass
*Stellaria graminea Caryophyllaceae stitchwort, common US
Stellaria media Caryophyllaceae chickweed, common US
Strophostyles helvola Fabaceae bean, trailing wild US
Taraxacum officinale Asteraceae dandelion US
Taxodium distichum Pinaceae bald-cypress US
Thalictrum dasycarpum Ranunculaceae meadow-rue, purple X
Thalictrum dioicum Ranunculaceae meadow-rue, early
@Tilia sp. Tiliaceae basswood
Toxicodendron radicans Anacardiaceae poison-ivy
#Tridens flavus (As Triodia flava) Poaceae purpletop
#Trifolium pratense Fabaceae clover, red
*Trifolium repens Fabaceae clover, white
Triodiaflava (See Tridens) Poaceae
Typha angustifolia Typhaceae cattail, narrow-leaved
Typha latifolia Typhaceae cattail, common US
Ulmus americana Ulmaceae elm, American US
Ulmus rubra Ulmaceae elm, slippery
Utricularia gibba Lentibulariaceae bladderwort, humped US
#Vaccinium corymbosum f. albiflorum Ericaceae blueberry, highbush
Vaccinium stamineum Ericaceae deerberry US
#Verbascum thapsus Scrophulariaceae mullein, common
Verbena hastata Verbenaceae vervain, blue
Verbesina alternifolia Asteraceae ironweed, yellow US
Vernonia noveboracensis Asteraceae ironweed, New York
Veronica hederaefolia Scrophulariaceae speedwell, ivy-leaved US
Veronica peregrina Scrophulariaceae speedwell, purslane US
Veronica persica Scrophulariaceae speedwell, Persian US
Viburnum dentatum Caprifoliaceae arrow-wood, rough US
Viburnum prunifolium Scrophulariaceae haw, black US
?Viburnum recognitum Caprifoliaceae arrow-wood, smooth
Viburnum sieboldii Caprifoliaceae viburnum, Siebold's US
#Vicia angustifolia Fabaceae vetch, common
Viola cucullata Violaceae violet, marsh blue US
Viola palmata Violaceae violet, common blue US
Viola rafinesquii Violaceae pansy, wild US
Vitis cinerea Vitaceae grape, pigeon US
Vitis labrusca Vitaceae grape, fox US
@Vitis riparia Vitaceae grape, riverbank or frost
Woodwardia areolata Polypodiaceae fern, netted chain US
Xanthium strumarium Asteraceae cocklebur, common US
Zizania aquatica Poaceae rice, wild US

Based on following lists: Kenilworth Park/ Aquatic Gardens Vegetation Inventory (List by Peggy Fleming and Raclare Kanal)

Species Identification List

Mass Fill Area #1, #2 and #3 and Control Sites

Voucher Collection /Kenilworth Marsh/Mass Fill #3 by Maria Hille

Species new to the cumulative list, added on Bio-Blitz Day, 1 June 1996:

*By Stanwyn G. and Elaine R. Shetler

#By Charles Davis

+By Larry E. Morse

@By Martha Stauss, Sherna Comerford, and Merle Van Horne

Vouchers: US = U.S. National Herbarium, Smithsonian Institution; X = other vouchers, location unknown, but presumably at Kenilworth Park.

SGS, SBS/ 22 Jul 96

U.S. Department of the Interior
U.S. Geological Survey
Patuxent Wildlife Research Center
Laurel, MD, USA 20708-4038
<http://www.pwrc.usgs.gov/blitz>
Contact: Sam Dreoge
<sam_droege@usgs.gov>
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