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TVascular Plants of Thickson's Woods
(Part Lot 20, Broken Front, Whitby, Ontario)
George A. Scott

EQUISETACEAE HORSETAIL FAMILY
Equisetum arvense Field Horsetail
   
ASPLENIACEAE SPLEENWORT FAMILY
Athyrium filix-femina Northeastern Lady Fern
Dryopteris carthusiana Spinulose Wood Fern
Dryopteris cristata Crested Fern
Gymnocarpium dryopteris Oak Fern
Matteuccia struthiopteris Ostrich Fern
Onoclea sensibilis Sensitive Fern
   
THELYPTERIDACEAE BEECH FERN FAMILY
Thelypteris palustris Marsh Fern
   
TAXACEAE YEW FAMILY
Taxus canadensis American Yew
   
PINACEAE PINE FAMILY
Abies balsamea Balsam Fir
Larix laricina Tamarack
Picea abies Norway Spruce
Picea glauca White Spruce
Pinus nigra Austrian Pine
Pinus resinosa Red Pine
Pinus strobus White Pine
Pinus sylvestris Scots Pine
Tsuga canadensis Eastern Hemlock
   
CUPRESSACEAE CYPRESS FAMILY
Juniperis communis Common Juniper
Juniperis virginiana Red Cedar
Thuja occidentalis White Cedar
   
TYPHACEAE CATTAIL FAMILY
Typha angustifolia Narrow-leaved cattail
Typha latifolia Broad-leaved Cattail
   
SPARGANIACEAE BUR-REED FAMILY
Sparganium eurycarpum Great Bur-reed
   
POTAMOGETONACEAE PONDWEED FAMILY
Potamogeton crispus Curly-leaved Pondweed
Potamogeton pectinatus Sago Pondweed
   
ALISMATACEAE WATER-PLANTAIN FAM
Alisma plantago-aquatica Water-plantain
Sagittaria latifolia Broad-leaved Arrowhead
   
HYDROCHARITACEAE FROG'S BIT FAMILY
Elodea canadensis Elodea water-weed
   
POACEAE (GRAMINEAE) GRASS FAMILY
Agropyron repens Quack Grass
Agrostis stolonifera Creeping Bent Grass
Bromis inermis Smooth Broome Grass
Calamogrostis canadensis Canada Blue-joint
Dactylis glomerata Orchard Grass
Echinochloa crusgalli Barnyard Grass
Elymus virginicus Virginia Wild-rye
Glyceria striata Fowl Manna Grass
Leersia oryzoides Rice Cut-grass
Lolium perenne Perennial Rye Grass
Panicum capillare Common Witch Grass
Phalaris arundinacea Reed Canary Grass
Phleum pratense Timothy Grass
Phragmites communis Common Reed, Phragmites
Poa compressa Canada Blue Grass, Wire Grass
Poa pratensis Kentucky Blue Grass
Setaria glauca Yellow Foxtail
   
CYPERACEAE SEDGE FAMILY
Carex aquitalis Water Sedge
Carex arctata Drooping Wood Sedge
Carex bebbii Bebb's Sedge
Carex cristatella Crested Sedge
Carex gracillima Graceful Sedge
Carex lacustris Great or Common Sedge
Carex peckii White-tinged Sedge
Carex pseudo-cyperus Cyperus-like Sedge
Carex radiata Stellate Sedge
Carex retrorsa Retrorse Sedge
Carex stipata Awl-fruited Sedge
Carex vesicaria Inflated Sedge
Carex vulpinoidea Fox Sedge
Carex (Unidentified) Sedge
Cyperus engelmanii Engelman's Nut Grass
Eleocharis erythropoda Red-based Spikerush
Scirpus atrovirens Meadow Bulrush
Scirpus validus Soft-stemmed Bulrush
   
ARACEAE ARUM FAMILY
Acorus calamus Sweet Flag
Arisaema triphyllum Jack-in-the-pulpit
   
LEMNACEAE DUCKWEED FAMILY
Lemna minor Lesser Duckweed
Spirodela polyrhiza Greater Duckweed
   
JUNCACEAE RUSH FAMILY
Juncus dudleyi Dudley's Rush
Juncus tenuis Path Rush
Luzula multiflora Common Wood-rush
   
LILIACEAE LILY FAMILY
Allium tricoccum Wild Leek
Clintonia borealis Bluebead-lily
Erythronium americanum Yellow Trout-lily
Maianthemum canadense Wild Lily-of-the-valley
Maianthemum racemosum False Solomon's Seal
Maianthemum stellata Starry False Solomon's Seal
Trillium grandiflorum Common Trillium
   
IRIDACEAE IRIS FAMILY
Iris pseudacorus Yellow Flag Iris
Iris versicolor Wild Blue Flag Iris
   
ORCHIDACEAE ORCHID FAMILY
Epipactis helleborine Helleborine
   
SALICACEAE WILLOW FAMILY
Populus alba White (Silver) Poplar
Populus balsamifera Balsam Poplar
Populus deltoides Eastern Cottonwood
Populus grandidentata Large-toothed Aspen
Populus tremuloides Trembling Aspen
Salix amygdaloids Peach-leaved Willow
Salix babylonica Weeping Willow
Salix bebbiana Bebb's or Beaked Willow
Salix discolor Pussy Willow
Salix eriocephala Heart-leaved Willow
Salix fragilis Crack Willow
Salix petiolaris Slender or Meadow Willow
   
JUGLANDACEAE WALNUT FAMILY
Juglans cinerea Butternut
Juglans nigra Black Walnut
   
BETULACEAE BIRCH FAMILY
Alnus rugosa Speckled Alder
Betula alleghaniensis Yellow Birch
Betula papyrifera White (Paper) Birch
Carpinus caroliniana Blue Beech
Corylus cornuta Beaked Hazel
Ostrya virginiana Ironwood (Hop Hornbeam)
   
FAGACEAE BEECH FAMILY
Fagus grandifolia American Beech
Quercus rubra Northern Red Oak
   
ULMACEAE ELM FAMILY
Ulmus rubra Red or Slippery Elm
   
URTICACEAE NETTLE FAMILY
Pilea pumila Clearweed
Urtica dioica European Stinging Nettle
   
ARISTOLOCHIACEAE BIRTHWORT FAMILY
Asarum canadense Wild Ginger
   
POLYGONACEAE SMARTWEED (BUCK WHEAT) FAMILY
Polygonum achoreum Striate Knotweed
Polygonum amphibium Water Smartweed
Polygonum aviculare Prostrate Knotweed
Polygonum convolvulus Black Bindweed
Polygonum cuspidatum Japanese Knotweed
Polygonum erectum Erect Knotweed
Polygonum hydropiperoides Mild Water-pepper
Polygonum lapathifolium Pale Smartweed, Willow-weed
Polygonum persicaria Lady's Thumb
Rumex acetosella Sheep Sorrel
Rumex crispus Curled Dock
Rumex orbiculatus Great Water Dock
   
CHENOPODIACEAE GOOSEFOOT (SPINACH) FAMILY
Atriplex patula Spearscale, Orache
Chenopodium album Lamb's Quarters, Pigweed
Chenopodium glaucum Oak-leaved Goosefoot
   
AMARANTHACEAE AMARANTH (PIGWEED) FAMILY
Amaranthus hybridus Green Amaranth, Smooth Pigweed
Amaranthus retroflexus Redroot Pigweed
   
PORTULACACEAE PURSLANE FAMILY
Portulaca oleracea Purslane
   
CARYOPHYLLACEA PINK FAMILY
Cerastium fontanum Mouse-eared Chickweed
Lychnis alba Evening Lychnis, White Cockle
Silene vulgaris Bladder Campion
Stellaria media Common Chickweed
   
NYMPHAEACEAE WATER-LILY FAMILY
Nuphar variegata Bullhead Lily
Nymphaea tuberosa Tuberous water-lily
   
CERATOPHYLLACEAE HORNWORT FAMILY
Ceratophyllum demersum Common Coontail
   
RANUNCULACEAE BUTTERCUP (CROWFOOT) FAMILY
Actaea rubra Red Baneberry
Anemone canadensis Canada Anemone
Anemone virginiana & riparia Thimbleweed
Aquilegia vulgaris Garden Columbine
Caltha palustris Marsh-marigold
Hepatica acutiloba Sharp-lobed Hepatica
Ranunculus abortivus Small-flowered Buttercup
Ranunculus acris Tall Buttercup
Ranunculus recurvatus Hooked Buttercup
Ranunculus sceleratus Cursed Crowfoot
Thalictrum dioicum Early Meadow Rue
   
BERBERIDACEAE BARBERRY FAMILY
Berberis thunbergii Japanese Barberry
Caulophyllum thalictroids Blue Cohosh
Podophyllum peltatum May-apple, Mandrake
   
PAPAVERACEAE POPPY FAMILY
Sanguinaria canadensis Bloodroo
   
FUMARIACEAE FUMITORY FAMILY
Dicentra cucullaria Dutchman's Breeches
Fumaria officinalis Fumitory
   
BRASSICACEAE MUSTARD FAMILY
(CRUCIFERAE)  
Alliaria petiolata Garlic Mustard
Barbarea vulgaris Yellow Rocket
Cakile edentula Sea Rocket
Capsella bursa-pastoris Shephard's Purse
Cardamine diphylla Toothwort, Crinkleroot
Cardamine pratensis Cuckoo Flower
Erucastrum gallicum Dog Mustard
Erysimum cheiranthoides Wormseed Mustard
Hesperis matronalis Dame's-rocket
Lepidium densiflorum Common Pepper-grass
Lepidium campestre Field Pepper-grass, Cow Cress
Lepidium virginicum Poor-man's Pepper-grass
Rorippa palustris Marsh Yellow Cress
Sinapis arvensis Charlock
Sisymbrium altissimum Tumble Mustard
Thlaspi arvense Pennycress, Penny Grass
   
PENTHORACEAE DITCH STONECROP FAMILY
Penthorum sedoides Ditch Stonecrop
   
CRASSULACEAE ORPINE FAMILY
Sedum telephium Live-forever
   
SAXIFRAGACEAE SAXIFRAGE FAMILY
Chrysoplenium americanum Golden Saxifrage, Water Mat
Mitella diphylla Bishop's Cap, Mitrewort
Philadelphus pubescens Garden Mock-orange
   
GROSSULARIACEAE GOOSEBERRY FAMILY
Ribes americanum Wild Black Currant
Ribes hirtellum Smooth Gooseberry
Ribes rubrum Red Currant
   
ROSACEAE ROSE FAMILY
Agrimonia gryposepala Yellow Argrimony
Amelanchier laevis Smooth Juneberry
Crataegus monogyna English Hawthorn
Crataegus spp. Hawthorns
Fragaria vesca Woodland Strawberry
Fragaria virginiana Field Strawberry
Geum aleppicum Yellow Avens
Geum canadense White Avens
Malus pumila (M. domestica) Apple
Physocarpus opulifolius Ninebark
Potentilla anserina Silverweed
Potentilla norvegica Rough Cinquefoil
Potentilla palustris Marsh Cinquefoil
Prunus pensylvanica Pin Cherry
Prunus serotina Wild Black Cherry
Prunus virginiana Chokecherry
Rosa blanda Smooth Rose
Rosa multiflora Multiflora Rose
Rubus allegheniensis Common Blackberry
Rubus occidentalis Black Raspberry
Rubus odoratus Purple-flowering Raspberry
Rubus pubescens Dwarf Raspberry
Rubus strigosus Wild Red Raspberry
Sorbus aucuparia European Mountain-ash
Spiraea alba Narrow-leaved Meadowsweet
   
FABACEAE (LEGUMINOSAE) PEA (PULSE) FAMILY
Coronilla varia Crown Vetch
Lotus corniculatus Bird-foot Trefoil
Medicago lupilina Black Medic
Medicago sativa Alfalfa
Melilotus alba White Sweet Clover
Trifolium campestre Low Hop Clover
Trifolium hybridum Alsike Clover
Trifolium pratense Red Clover
Trifolium repens White Clover
Vicia cracca Cow Vetch
Vicia sativa Common or Spring Vetch
   
GERANIACEAE GERANIUM FAMILY
Geranium robertianus Herb Robert
   
OXALIDACEAE WOOD-SORREL FAMILY
Oxalis fontana Wood-sorrel
   
LINACEAE FLAX FAMILY
Linum usitatissimum Common Flax
   
EUPHORIACEAE SPURGE FAMILY
Euphorbia peplus Petty Spurge
Euphorbia polygonifolia Seaside Spurge
   
ANACARDIACEAE CASHEW FAMILY
Rhus typhina Staghorn Sumac
Toxicodendron radicans Ground Poison Ivy
var. rydbergii  
   
CELASTRACEAE STAFFTREE FAMILY
Celastrus scandens Climbing Bittersweet
   
ACERACEAE MAPLE FAMILY
Acer negundo Manitoba Maple, Box Elder
Acer platanoides Norway Maple
Acer rubrum Red Maple
Acer saccharinum Silver Maple
Acer saccharum Sugar Maple
Acer spicatum Mountain Maple
   
HIPPOCASTANACEAE BUCKEYE FAMILY
Aesculus hippocastanum Horse Chestnut
   
BALSAMINACEAE TOUCH-ME-NOT FAMILY
Impatiens capensis Spotted Touch-me-not
   
RHAMNACEAE BUCKTHORN FAMILY
Rhamnus cathartica Common Buckthorn
   
VITACEAE GRAPE FAMILY
Parthenocissus vitacea Virginia Creeper
Vitis riparia Riverbank Grape
   
TILIACEAE LINDEN FAMILY
Tilia americana Basswood
   
HYPERICACEAE ST.JOHN'S-WORT FAMILY
Hypericum perforatum Common St.John's wort
Hypericum punctatum Spotted St.John's wort
   
VIOLACEAE VIOLET FAMILY
Viola blanda Sweet White Violet
Viola conspersa Dog Violet
Viola cucullata Marsh Blue Violet
Viola papilionacea Common Blue Violet
Viola pubescens Downy Yellow Violet
   
LYTHRACEAE LOOSESTRIFE FAMILY
Decodon verticillatus Water Willow
Lythrum salicaria Purple Loosestrife
   
ONAGRACEAE EVENING-PRIMROSE FAMILY
Circaea alpina Small Enchanter's Nightshade
Circaea lutetiana Enchanter's Nightshade
Epilobium ciliatum Northern Willowherb
Epilobium coloratum Purple-leaved Willowherb
Epilobium hirsutum Hairy Willowherb
Epilobium leptophyllum Narrow-leaved (Marsh) Willowherb
Oenothera biennis Common Evening-primrose
Oenothera parviflora Small-flowered Evening-primrose
   
ARALIACEAE GINSENG FAMILY
Aralia racemosa Spikenard
   
APIACEAE CARROT (PARSLEY) FAMILY
Cicuta bulbifera Bulblet-bearing Water-hemlock
Daucus carota Wild Carrot, Queen Annešs Lace
Heracleum maximum Cow Parsnip
Sium suave Water-parsnip
   
CORNACEAE DOGWOOD FAMILY
Cornus stolonifera Red-osier Dogwood
   
PYROLACEAE WINTERGREEN FAMILY
Pyrola secunda One-sided Pyrola or Wintergreen
Pyrola elliptica Shinleaf
   
PRIMULACEAE PRIMROSE FAMILY
Anagallis arvensis Scarlet Pimpernel
Lysimachia ciliata Fringed Loosestrife
Lysimachia thyrsiflora Tufted Loosestrife
Trientalis borealis Star-flower
   
OLEACEAE OLIVE FAMILY
Fraxinus americana White Ash
Syringa vulgaris Lilac
   
APOCYNACEAE DOGBANE FAMILY
Apocynum androsaemifolium Spreading Dogbane
Apocynum cannabinum Indian Hemp
   
ASCLEPIADACEAE MILKWEED FAMILY
Asclepias incarnata Swamp Milkweed
Asclepias syriaca Common Milkweed
   
CONVOLVULACEAE MORNING GLORY FAMILY
Calystegia sepium Hedge Bindweed, Wild Morning Glory
Covolvulus arnensis Field Bindweed
   
HYDROPHYLLACEAE WATERLEAF FAMILY
Hydrophyllum virginianum Virginia Waterleaf
   
BORAGINACEAE BORAGE FAMILY
Cynoglossum officinale Hound's-tongue
Echium vulgare Viper's-bugloss
Lithospermum officinale Pearl or Common Gromwell
Lycopsis arvensis Blue or Small Bugloss
Myosotis arvensis Field Scorpion-grass
Myosotis laxa Smaller Forget-me-not
Myosotis scorpioides True Forget-me-not
Symphytum officinale Common Comfrey
   
VERBENACEAE VERVAIN FAMILY
Verbena hastata Blue Vervain
   
LAMIACEAE MINT FAMILY
Galeopsis tetrahit Hemp-nettle
Glechoma hederacea Ground-ivy, Creeping Charlie
Leonurus cardiaca Motherwort
Lycopus americanus American Water-horehound
Lycopus europaeus European Water-horehound
Lycopus iniflorus Northern Bugleweed
Mentha arvensis Field or Hairy Mint
Monarda didyma Oswego Tea or Bee Balm
Monarda fistulosa Wild Bergamot
Nepeta cartaria Catnip
Prunella vulgaris Heal-all, Selfheal
Scutellaria galericulata Common Marsh Skullcap
Stachys tenuifolia Smooth Hedge-nettle
Thymus praecox Thyme
   
SOLANACEAE NIGHTSHADE FAMILY
Solanum dulcamara Bittersweet Nightshade
Solanum ptycanthum Black Nightshade
   
SCROPHULARIACEAE FIGWORT FAMILY
Chaenorrhinum minus Dwarf Snapdragon
Linaria vulgaris Toadflax, Butter-and-eggs
Mimulus ringens Square-stemmed Monkeyflower
Verbascum thapsus Common Mullein
Veronica anagallis-aquatica Water-speedwell
Veronica officinalis Common Speedwell
Veronica serpyllifolia Thyme-leaved Speedwell
   
OROBANCHACEAE BROOMRAPE FAMILY
Epifagus virginiana Beech Drops
   
PLANTAGINACEAE PLANTAIN FAMILY
Plantago major Broad-leaved Plantain
Plantago rugelii Rugel's Plantain
   
RUBIACEAE MADDER FAMILY
Galium mollugo Smooth Bedstraw, Wild Madder
Galium palustre Marsh Bedstraw
Galium triflorum Fragrant Bedstraw
   
CAPRIFOLIACEAE HONEYSUCKLE FAMILY
Lonicera morrowi Morrow's Honeysuckle
Lonicera tatarica Tartarian Honeysuckle
Sambucus canadensis Common Elderberry
Sambucus pubens Red-berried Elder
Viburnum lentago Nanyberry
Viburnum opulus Guelder-rose
Viburnum trilobum Highbush-cranberry
   
CUCURBITACEAE GOURD FAMILY
Echinocystis lobata Wild Cucumber
   
CAMPANULACEAE BLUEBELL FAMILY
Campanula aparinoides White Marsh Bellflower
Campanula rapunculoides Creeping Bellflower
   
LOBELIACEAE LOBELIA FAMILY
Lobelia inflata Indian Tobacco
   
ASTERACEAE ASTER (COMPOSITE) FAMILY
Achillea millefolium Yarrow
Ambrosia artemisiifolia Common Ragweed
Anthemis cotula Stinking Mayweed
Arctium minus Common Burdock
Artemisia biennis Biennial Wormwood
Artemisia caudata Tall Wormwwod
Aster cordifolius Heart-leaved Aster
Aster ericoides Heath Aster
Aster lanceolatus Panicled Aster, Tall White Aster
Aster lateriflorus Side-flowering Aster
Aster novae-angliae New England Aster
Aster puniceus Red-stemmed Aster
Aster vimineus Small White Aster
Bidens cernua & laevis Bur-marigold
Bidens frondosa Devil's Beggarticks
Chrysanthemum leucathemum Ox-eye Daisy
Chrysanthemum parthenium Feverfew
Cichorium intybus Chicory
Cirsium arvense Canada Thistle
Cirsium vulgare Bull Thistle
Conyza canadensis Canada Fleabane, Horseweed
Crepis capillaris Smooth Hawksbeard
Erigeron annuus Annual Fleabane
Erigeron strigosus Daisy or Rough Fleabane
Erigeron philadelphicus Philadelphia Fleabane
Eupatorium maculatum Spotted Joe-Pye Weed
Eupatorium perfoliatum Boneset
Galinsoga ciliata Hairy Galinsoga
Helanthus annuus Common Sunflower
Hieracium aurantiacum Orange Hawkweed, Devil's Paintbrush
Hieracium caespitosum Yellow Hawkweed
Lactuca serriola Prickly Lettuce
Matricaria maritima Scentless Chamomile
Matricaria matricarioides Pineapple Weed
Prenanthes altissima Tall White Lettuce
Rudbeckia hirta Black-eyed Susan
Senecio vulgaris Common Groundsel
Solidago altissima Tall Goldenrod
Solidago canadensis Canada Goldenrod
Solidago flexicaulis Zig-zag Goldenrod
Solidago gigantea Late Goldenrod
Solidago graminifolia Narrow-leaved Goldenrod
Solidago nemoralis Gray Goldenrod
Sonchus arvensis Perennial Sow-thistle
Sonchus asper Spiny Annual Sow-thistle
Taraxacum officinale Common Dandelion
Tragopogan dubius Goat's-beard
Tragopogan pratensis Meadow Goat's-beard
Tussilago farfara Coltsfoot
Xanthium strumarium Cocklebur, Clotbur