OSCAWANNA ISLAND NATURE PRESERVE
Westchester County, NY
Directions:
Saw Mill River Parkway North; get off at exit 25, Hawthorn (at mileage marker 20:90). Turn left at the light and head north on Route 9A (starting at 20:90) and drive 8.8 miles to merge with Route 9 north. Get off at Senasqua Road (mile marker 21:71); turn left and drive about 1.8 miles to turn left onto Furnace Dock Road (at mile marker 22:16); drive past the marker for Graff Sanctuary, make the bend to the right and park in the area on the left near the sign for Oscawanna.
PLANT LIST:
Dr. Patrick L. Cooney
Trees:
Acer platanoides (Norway maple)
Acer pseudoplatanus (sycamore maple)
Acer rubrum (red maple)
Acer saccharum (sugar maple)
Ailanthus altissima (tree-of-heaven)
Albizia julibrissin (silk tree) 8/14/96
Amorpha fruticosa (false indigo)
Betula lenta (black birch)
Betula populifolia (gray birch)
Carya sp. (hickory)
Celtis occidentalis (hackberry)
Cornus florida (flowering dogwood) 5/17/96
Fraxinus pensylvanica (green ash)
Juglans nigra (black walnut)
Morus alba (white mulberry)
Nyssa sylvatica (tupelo)
Ostrya virginiana (hop hornbeam)
Picea abies (Norway spruce)
Platanus occidentalis (American sycamore)
Populus deltoides (cottonwood)
Prunus serotina (black cherry)
Quercus alba (white oak)
Quercus coccinea (scarlet oak)
Quercus prinus (chestnut oak)
Quercus rubra (red oak)
Quercus velutina (black oak)
Robinia pseudoacacia (black locust)
Sassafras albidum (sassafras)
Tilia americana (American basswood)
Tsuga canadensis (eastern hemlock)
Ulmus americana (American elm)
Ulmus rubra (slippery elm)
Shrubs:
Amorpha fruticosa (false indigo)
Berberis thunbergii (Japanese barberry)
Chimaphila maculata (spotted wintergreen) 7/02/02
Diervilla lonicera (bush honeysuckle)
Euonymus alatus (winged euonymus)
Gaylussacia baccata (black huckleberry) 5/17/96
Hamamelis virginiana (witch hazel)
Hibiscus syriacus (rose of Sharon) 7/24/01
Kalmia latifolia (mountain laurel)
Ligustrum sp. (privet) 7/02/02
Lindera benzoin (spicebush)
Lonicera morrowii (Morrow's honeysuckle) 5/17/96
Lonicera sp. (Amur honeysuckle) with orange translucent berries
Myrica pensylvanica (bayberry)
Philadelphicus sp. (mock orange)
Rhododendron viscosum (swamp rhododendron) 5/17/96
Rhus typhina (staghorn sumac)
Ribes sp. (gooseberry)
Rosa multiflora (multiflora rose) 7/02/02 a variety with big pink flowers
Rubus occidentalis (black raspberry)
Rubus phoenicolasius (wineberry)
Sambucus canadensis (common elderberry)
Spiraea alba v. latifolia (meadowsweet) 5/17/96 soon
Syringa sp. (lilac)
Vaccinium pallidum (hillside blueberry)
Viburnum acerifolium (maple-leaf viburnum)
Viburnum prunifolium (blackhaw viburnum) 5/17/96
Viburnum sieboldii (Siebold's viburnum)
Vines:
Amphicarpaea bracteata (hog peanut)
Celastrus orbiculatus (Asiatic bittersweet)
Hedera helix (English ivy)
Lonicera japonica (Japanese honeysuckle) 7/02/02 8/14/96
Parthenocissus quinquefolia (Virginia creeper)
Smilax rotundifolia (round-leaved greenbrier)
Toxicodendron radicans (poison ivy)
Vincetoxicum nigrum (black swallowwort) 7/02/02
Vitis aestivalis (summer grape)
Vitis labrusca (fox grape)
Wisteria sp. (wisteria)
Herbs:
Achillea millefolium (yarrow) 7/02/02 8/14/96
Aethusa cynapium (fool's parsley) 7/24/01
Agrimonia pubescens (downy agrimony) 8/30/96
Agrimonia striata (woodland agrimony) 8/14/96
Alliaria petiolata (garlic mustard) 5/17/96 7/24/01
Allium vineale (field garlic)
Amaranthus cannibinus (salt marsh waterhemp) 8/25/96
Ambrosia artemisiifolia (common ragweed) 8/25/96
Ambrosia trifida (great ragweed) 8/25/96
Anemone virginiana (thimbleweed) 7/02/02
Antennaria sp. (pussytoes) 5/17/96
Apios americana (groundnut) 8/25/96
Apocynum cannabinum (Indian hemp)
Aquilegia canadensis (columbine) 5/17/96
Aralia nudicaulis (wild sarsaparilla)
Arctium minus (common burdock)
Arisaema triphyllum (jack in the pulpit) 5/17/96
Artemisia vulgaris (common mugwort)
Asarum canadense (wild ginger)
Asclepias syriaca (common milkweed) 7/02/02
Asparagus officinalis (asparagus)
Aster bicolor (silverrod)
Aster cordifolius (heart-leaved aster) 8/25/96
Aster divaricatus (white wood aster) 8/25/96
Aster schreberi (Schreber's aster) 8/30/96
Aster sp. (aster) 8/14/96
Barbarea vulgaris (common wintercress)
Bidens frondosa (beggar ticks)
Boehmeria cylindrica (false nettle) 8/25/96
Calystegia sepium (hedge bindweed) 8/14/96
Caulophyllum thalictroides (blue cohosh)
Centaurea jacea (brown knapweed) 8/25/96
Centaurea maculosa (spotted knapweed) 8/14/96
Chaenorrhinum minus (dwarf snapdragon) 8/14/96
Chelidonium majus (celandine) 5/17/96 7/02/02 7/24/01 8/14/96
Chenopodium album (pigweed)
Chrysanthemum leucanthemum (ox-eye daisy) 7/02/02
Cichorium intybus (chicory) 7/02/02 7/24/01 8/14/96 8/30/96
Circaea lutetiana (enchanter's nightshade) 7/02/02
Cirsium vulgare (bull thistle) 8/14/96
Commelina communis (Asiatic dayflower) 7/02/02 7/24/01 8/14/96
Convallaria majalis (lily of the valley) 5/17/96
Conyza canadensis (horseweed) 8/14/96 8/30/96
Coronilla varia (crown vetch) 7/02/02
Daucus carota (Queen Anne's lace) 7/24/01 8/14/96
Desmodium glutinosum (pointed-leaved tick trefoil) 8/14/96
Desmodium paniculatum (panicled tick trefoil) 8/14/96 8/30/96
Desmodium rotundifolium (prostrate tick trefoil) 8/14/96
Dianthus armeria (Deptford pink) 7/02/02 8/14/96 8/25/96 8/30/96
Dioscorea villosa (wild yamroot)
Duchesnea indica (Indian strawberry) in fruit on 7/24/01
Echinocystis lobata (wild cucumber)
Erechtites hieraciifolia (pilewort) 8/25/96 8/30/96
Erigeron annuus (daisy fleabane) 7/02/02 7/24/01
Eupatorium altissimum (tall boneset ) 8/30/96
Eupatorium perfoliatum (boneset) 8/25/96
Eupatorium purpureum (sweet-scented joe-pye-weed) 8/14/96
Eupatorium rugosum (white snakeroot) 8/14/96
Euphorbia maculata (milk purslane) 8/14/96
Euphorbia nutans (upright spotted spurge) 8/30/96
Euphorbia sp. (spurge) 5/17/96
Galinsoga quadriradiata (gallant soldiers) 7/02/02 7/24/01 8/25/96
Galium circaezens (wild licorice)
Galium mollugo (wild madder) 7/02/02 7/24/01
Geranium maculatum (wild geranium) 5/17/96
Geranium sibiricum (Siberian geranium) 7/24/01 8/14/96 8/30/96
Geum canadense (white avens) 7/02/02
Helianthus sp. (sunflower) 8/30/96
Hemerocallis fulva (tawny day lily) 7/02/02
Hesperis matrionalis (dame's rocket) 8/14/96
Heuchera americana (alumroot)
Hibiscus moscheutus (swamp rose mallow) 8/14/96 8/30/96
Hieracium floribundum (pale hawkweed) 7/02/02
Hieracium paniculatum (panicled hawkweed) 8/30/96
Hieracium venosum (rattlesnake hawkweed)
Humulus japonicus (Japanese hop) 8/25/96
Hypericum perforatum (common St. Johnswort) 7/02/02 8/14/96
Hypericum punctatum (spotted St. Johnswort) 7/02/02
Impatiens capensis (orange jewelweed) 7/02/02 7/24/01 8/14/96 8/30/96
Iris sp. (blue or yellow flag)
Lactuca biennis (tall blue lettuce) 8/25/96
Lactuca serriola (prickly lettuce) 8/25/96
Lapsana communis (nipplewort) 7/02/02 7/24/01 8/14/96 8/25/96
Leonurus cardiaca (motherwort) 7/02/02 7/24/01
Lepidium virginiana (poor man's pepper)
Lespedeza procumbens (trailing bush clover) 8/14/96
Linaria vulgaris (butter-and-eggs) 7/02/02 8/14/96
Lycopus sp. (bugleweed) 8/25/96
Lythrum salicaria (purple loosestrife) 7/24/01 8/14/96 8/30/96
Lythyrus latifolius (everlasting pea) 7/02/02 8/14/96 lots of it
Medeola virginiana (Indian cucumber root)
Medicago lupulina (black medick) 7/02/02
Melilotus alba (white sweet clover) 7/02/02 8/14/96
Mentha sp. (mint) 8/30/96
Mirabilis nyctaginea (heart-leaved umbrellawort ) 8/30/96
Monotropa uniflora (Indian pipe)
Oenothera biennis (common evening primrose) 8/14/96 8/30/96
Osmorhiza claytonii (sweet cicely)
Oxalis stricta (yellow wood sorrel) 7/02/02 7/24/01 8/14/96
Peltandra virginiana (arrow arum)
Phytolacca americana (pokeweed) 8/14/96 8/25/96
Pilea pumila (clearweed)
Plantago lanceolata (English plantain) 8/14/96 8/30/96
Plantago major (common plantain) 8/14/96 8/30/96
Pluchea odorata (salt marsh fleabane) 8/25/96 8/30/96
Polygonatum biflorum (true Solomon's seal) 5/17/96
Polygonum cespitosum (cespitose smartweed) 7/02/02 7/24/01
Polygonum cuspidatum (Japanese knotweed) 8/25/96 8/30/96
Polygonum hydropiperoides (false water pepper) 8/25/96
Polygonum virginianum (jumpseed) 8/14/96
Pontederia cordata (pickerelweed) 8/25/96
Potamogeton sp. (pondweed) 8/25/96
Prunella vulgaris (self-heal) 7/02/02 7/24/01 8/14/96 8/30/96
Ranunculus abortivus (kidney-leaved buttercup) 5/17/96
Ranunculus acris (tall buttercup) 7/02/02
Ranunculus bulbosus (bulbous buttercup) 5/17/96
Ranunculus hispidus (hispid buttercup) 5/17/96
Rudbeckia hirta v. pulcherrima (black-eyed susan) 8/25/96
Rumex obtusifolius (broad dock)
Sanicula gregaria (clustered snakeroot)
Satureja vulgaris (wild basil) 7/02/02 8/14/96
Saxifraga virginiensis (early saxifrage)? 5/17/96
Scutellaria lateriflora (maddog skullcap) 8/25/96
Sedum purpureum (live forever)
Silene stellata (starry campion) 8/14/96 8/30/96
Silene vulgaris (bladder campion) 7/02/02 7/24/01 8/30/96
Sium suave (water parsnip)
Smilacina racemosa (false Solomon's seal)
Solanum dulcamara (bittersweet nightshade)
Solanum nigrum (black nightshade) 8/25/96
Solidago caesia (blue-stemmed goldenrod)
Solidago gigantea (tall goldenrod) 8/25/96
Solidago juncea (early goldenrod) 8/30/96
Solidago spp. (goldenrods) 8/14/96
Strophostyles sp. (wild bean) 8/30/96
Symplocarpus foetidus (skunk cabbage)
Syringa sp. (purple lilac) 5/17/96
Taraxacum officinale (dandelion) 5/17/96 7/02/02
Thalictrum pubescens (tall meadowrue) 7/24/01
Thalictrum sp. (meadowrue)
Trifolium pratense (red clover) 7/24/01 8/14/96 8/30/96
Trifolium repens (white clover) 7/02/02
Triodanis perfoliata (Venus' looking glass)
Tussilago farfara (colt's foot)
Typha angustifolia (narrow-leaved cattail)
Urtica dioica (stinging nettle)
Vallisneria americana (water celery)
Verbascum blattaria (moth mullein)
Verbascum thapsus (common mullein) 7/24/01 8/14/96
Verbena urticifolia (white vervain) 7/24/01 8/14/96
Veronica officinalis (common speedwell)
Viola sororia (common blue violet) 5/17/96
lettuce with arrowhead
Rushes:
Juncus tenuis (path rush)
Luzula multiflora (wood rush) 5/17/96
Sedges:
Carex laxiflora (sack sedge)
Carex pensylvanica (Pennsylvania sedge)
Carex stipata (sack sedge)
Cyperus filiculmis (sedge) 5/14/96 almost
Cyperus strigosus (umbrella sedge)
Eleocharis sp. (spikerush)
Grasses:
Anthoxanthum odoratum (sweet vernal grass)
Dactylis glomerata (orchard grass)
Digitaria ischaemum (smooth crabgrass)
Digitaria sanguinalis (hairy crabgrass)
Echinochloa crusgalli (barnyard grass)
Elusine indica (goose grass)
Elymus hystrix (bottlebrush grass)
Elymus virginicus (wild rye grass)
Eragrostis spectabilis (purple love grass) 8/14/96
Leersia alba (white grass)
Microstegium vimineum (Japanese stilt grass) 8/25/96
Muhlenbergia schreberi (nimblewill grass)
Panicum clandestinum (deer-tongue grass)
Panicum spp. (panic grass)
Panicum virgatum (switch grass)
Phleum pratense (timothy grass)
Phragmites australis giant reed grass)
Poa annua (annual bluegrass)
Poa compressa (Canada bluegrass)
Setaria faberi (Faber's foxtail grass)
Setaria viridis (green foxtail grass)
Spartina alterniflora (salt marsh hay cordgrass) 8/25/96
Tridens flavus (purple top grass) 8/25/96
Ferns and Fern Allies:
Equisetum arvense (field horsetail)
Onoclea sensibilis (sensitive fern)
Polystichum acrostichoides (Christmas fern)
Pteridium aquilinum (bracken fern)
Thelypteris noveboracensis (New York fern)