Grassy Island Plants

Detroit River IWR Units

SPECIES LIST

Species observed during Michigan Botanical Club (MBC) plant survey, conducted in Spring 2006

(*denotes a species as being an exotic/invasive)

American basswood (Tilia americana)

American bittersweet (Celastrus scandens)

American elm (Ulmus americana)

American pokeweed (Phytolacca americana)

American water horehound (Lycopus americanus)

American sycamore (Platanus occidentales)

*Amur corktree (Phellodendron amurense)

*Amur honeysuckle (Lonicera maackii)

*Autumn olive (Elaeagnus umbellata)

Beggarslice (Hackelia virginiana)

*Black bindweed (Polygonum lapathifolium)

*Black medick (Medicago lupulina)

Black raspberry (Rubus occidentalis)

Bluejoint reedgrass (Calamagrostis canadensis)

Boxelder (Acer negundo)

*Bull thistle (Cirsium vulgare)

*Canada bluegrass (Poa compressa)

Canada germander (Teucrium canadense)

*Canada thistle (Cirsium arvense)

*Catnip (Nepeta cataria)

*Charlock mustard (Sinapis arvensis)

*Cheatgrass (Bromus tectorum)

*Chicory (Cichorium intybus)

Chokecherry (Prunus virginiana)

Climbing nightshade (Solanum dulcamara)

*Common dandelion (Taraxacum officinale)

Common elderberry (Sambucus canadensis)

Common evening-primrose (Picoides pubescens)

Common hackberry (Celtis occidentales)

Common milkweed (Asclepias syriaca)

*Common reed (Phragmites australis)

*Common St. Johnswort (Hypericum perforatum)

*Crack willow or Hybrid crack willow (Salix fragilis or S. rubens)

*Curly dock (Rumex crispus)

Curlytop knotweed (Polygonum lapathifolium)

*Dames rocket (Hesperis matronalis)

*Desert false indigo (Amorpha fruticosa)

Eastern cottonwood (Populus deltoides)

Eastern daisy fleabane (Erigeron annuus)

Eastern poison ivy (Toxicodendron radicans)

*European buckthorn (Rhamnus cathartica)

*European privet (Ligustrum vulgare)

*European mountain ash (Sorbus aucuparia)

*European spindletree (Euonymus europaeus)

Field horsetail (Equisetum arvense)

*Field pepperweed (Lepidium campestre)

*Field sowthistle (Sonchus arvensis)

Fowl mannagrass (Glyceria striata)

Fox sedge (Carex vulpinoidea)

*Garden yellowrocket (Barbarea vulgaris)

*Garlic mustard (Allaria petiolata)

*Glossy buckthorn (Rhamnus frangula)

Grayleaf red raspberry (Rubus strigosus)

Green ash (Fraxinus pennsylvanica)

*Hairy bittercress (Cardamine hirsute)

Hedge false bindweed (Calystegia sepium)

Hemp dogbane (Apocynum cannabinum)

*Japanese barberry (Berberis thunbergii)

*Japanese brome (Bromus inermis)

Jewelweed (Impatiens capensis)

*Kentucky bluegrass (Poa pratensis)

Late goldenrod (Solidago altisima)

Lesser burdock (Arctium minus)

*Multiflora rose (Rosa multiflora)

Narrowleaf willow (Salix exigua)

New England aster (Aster novae-angliae)

*Nodding plumeless thistle (Carduus nutans)

Northern bugleweed (Lycopus uniflorus)

*Orchardgrass (Dactylis glomerata)

*Oriental bittersweet (Celastrus orbiculatus)

*Paradise apple (Malus pumila)

Peachleaf willow (Salix amygdaloides)

Philadelphia fleabane (Erigeron philadelphicus)

*Purple deadnettle (Lamium purpureum)

Purple meadow-rue (Thalictrum dasycarpum)

*Quackgrass (Agropyron repens)

*Queen Anne's lace (Daucus carota)

*Red fescue (Festuca rubra)

Reed canarygrass (Phalaris arundinacea)

Roughleaf dogwood (Cornus drummondii)

*Seaside goldenrod (Solidago sempervirens)

*Siberian elm (Ulmus pumila)

Silver maple (Acer saccharinum)

*Smooth brome (Bromus inermis)

*Sweetclover (Melilotus spp.)

*Sweet cherry (Prunus avium)

Staghorn sumac (Rhus typhina)

Stickywilly (Galium aparine)

Stinging nettle (Urtica dioica)

*Tall fescue (Festuca arundinacea)

*Tatarian honeysuckle (Lonicera tatarica)

*Toringa crabapple (Malus zumi)

*Tree of heaven (Ailanthus altisima)

Troublesome sedge (Carex molesta)

Virginia creeper (Parthenocissus quinquefolia)

*White mulberry (Morus alba)

White panicle aster (Aster lanceolatus)

White vervain (Verbena urticifolia)

*White willow (Salix alba)

Wild grape (Vitis riparia)

Grassy Island Plants

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