FLORA of CROUSE RUN VALLEY Hampton Township, Allegheny County, Pennsylvania

PINE CREEK LAND CONSERVATION TRUST dedicated to land preservation in northern Allegheny County Box 259, Ingomar, PA 15127

Flora of the Crouse Run Valley By Paul Wiegman, 1972 Common names follow order in Check List of the Vascular Flora of Allegheny County PA, by Henry & Buker

This listing is by no means complete. It is a basic survey of the individuals found, based on field identification rather than collected voucher specimens. The area should be given a more complete survey, with voucher collections, for a completely accurate picture of the flora of Crouse Run.

Herbaceous species

Agrimony, small flowered Agrimonia parviflora Anise-root Osmorhiza longistylis Asters (many species) Aster spp. Avens, White Geum canadense Avens, Rough Geum virginianum Bee Balm (Oswego Tea) Monardia didyma Bee Balm, Wild Bergamot Monardia fistulosa Bedstraw, Rough Galium asprellum Bedstraw, Sweet-scented Galium triflorum Beechdrops Epifagus virginiana Beggar's-lice Hackelia virginiana Bellflower, Tall Campanula americana Bellwort, Sessile-leaved Uvularia sessilifolia Bellwort, Perfoliate Uvularia perfoliata Bishop's Cap Mitella diphylla Black Snakeroot Cimicifuga racemosa Black Mustard Brassica nigra Bloodroot Sanguinaria canadensis Blue-eyed Grass Sysrinchium angustifolium Blue Cohosh Caulophyllum thalictroides Bluets Houstonia caerulea Boneset Eupatorium perfoliatum Bouncing Bet Saponaria officinalis Buttercup, Bristly Ranunculus pensylvanicus Buttercup, Kidney-leaved Ranunculus abortivus Buttonbush Dodder Cephalantus occidentalis Cat-tail, Common Typha latifolia Celandine Chelidonium majus Chickweed, Common Stellaria media

PCLCT Flora of Crouse Run Valley, reformatted 07.2010 pinecreeklandtrust.org

Chickweed, Mouse-ear Cerastium vulgatum Coltsfoot Tussilago farfara Coneflower, Green-headed Rudbeckia laciniata Coneflower, Sweet Rudbeckia subtomentosa Daylily, Fulvous Hemerocallis fulva Doll's Eyes Actaea pachypoda Dutchman's Breeches Dicentra cucullaria Early Saxifrage Saxifraga virginiensis False Hellebore Veratrum viride False Spikenard Smilacina racemosa Fern, Christmas Polystichum acrostichoides Fern, Evergreen Wood Dryopteris marginalis Fern, American Shield Dryopteris intermedia Fern, Sensitive Onoclea sensibilis Fern, Rattlesnake Botrychium virginianum Fern, Broad Beech Dryopteris hexagonoptera Fern, Cinnamon Osmunda cinnamomea Field Horsetail Equisetum arvense Forget-me-not, True Myosotis scorpioides Gentian, Closed Gentiana clausa Golden Alexanders Zizia aurea Goldenrods (several species) Solidago spp. Ground Pine Lycopodium obscurum Ground Cedar Lycopodium complanatum Ground Ivy Glechoma hederacea Hepatica, Round-leaf Hepatica americana Hepatica, Sharp-lobed Hepatica acutiloba Honewort Cryptotaenia canadensis Indian-pipe Monotropa uniflora Iris, Yellow Iris psuedacorus Jack-in-the-Pulpit Arisaema atrorubens Jacob's Ladder Polemonium reptans Joe-pye-weed Eupatorium maculatum Lady's Sorrel Oxalis montana Lady's Thumb Polygonum persicaria Lily, Yellow Trout Erythronium americanum Lily, White Trout Erythronium albidum Lily, Upland Red Canada Lilium canadense Loosestrife, Fringed Lysimachia ciliata Loosestrife, Whorled Lysimachia quadrifolia May Apple Podophyllum peltatum Meadow-Rue, Early Thalictrum dioicum Meadow-Rue, Tall Thalictrum polygamum Milkweed, Swamp Asclepias incarnata Monkey-flower Mimulus ringens Motherwort Leonuris cardiaca Mountain Stonecrop Sedum ternatum Nettle, Tall Urtica procera Nettle, Wood Laportea canadensis Nettle, False Boehmeria cylindrica New York Ironweed Vernonia noveboracensis Ox-eye Daisy Chrysanthemum leucanthemum Phlox, Blue Phlox divaricata

PCLCT Flora of Crouse Run Valley, reformatted 07.2010 pinecreeklandtrust.org

Phlox (Wild Sweet William) Phlox maculata Pink, Deptford Dianthus armeria Pink, Fire Silene virginica Plantain, Common Plantago major Pokeweed, Common Phytolacca americana Rue Anemone Anemonella thalictroides Shepherd's Purse Capsella bursa-pastoris Skunk Cabbage Symplocarpus foetidus Smartweed, Common Polygonum hydropiper Smooth Turtle Head Chelone glabra Solomon's Seal, Small Polygonatum biflorum Solomon's Seal, False Smilacina racemosa Spring Beauty Claytonia caroliniana Squawroot Conopholis americana Squirrel-corn Dicentra canadensis Stitchwort, Common Stellaria graminea Sundrops Oenothera fruticosa Teasel Dipsacus sylvestris Thistles (several species) Cirsium spp. Toothwort, Cut-leaf Dentaria laciniata Toothwort, Two-leaf Dentaria diphylla Touch-Me-Not, Spotted Impatiens capensis Touch-Me-Not, Pale Impatiens pallida Trillium, Ill-scented Trillium erectum Trillium, Snow Trillium nivale Trillium, Large Flowered Trillium grandiflorum Vervain, Blue Verbena hastata Vervain, White Verbena urticifolia Violet, Sweet White Viola blanda Violet, Wood Sorrel Oxalis violacea Violet, Marsh Blue Viola cucullata Violet, Downy Yellow Viola pubescens Violet, Cream Viola striata Violet, Meadow Blue Viola papilionacea Violet, Smooth Yellow Viola pensylvanica Virgin's Bower Clematis virginiana Virginia Waterleaf Hydrophyllum virginianum Virginia Bluebell Mertensia virginica Watercress Nasturtium officinale Bead-Lily, White Clintonia umbellulata Bead-lily, Yellow Clintonia borealis White Snakeroot Eupatorium rugosum Wild Ginger, Common Asarum canadense Wild Columbine Aquilegia canadensis Wild Carrot Daucus carota Wild Cranesbill Geranium maculatum Wing-stem Actinomeris alternifolia Wood Anemone Anemone quinquefolia Yellow Rocket Barbarea vulgaris

PCLCT Flora of Crouse Run Valley, reformatted 07.2010 pinecreeklandtrust.org

Woody Species (Trees and Shrubs) T = Tree S = Shrub WV = Woody Vine WH = Woody Herb

American Elm T Northern Dewberry WV American Hazelnut S Partridgeberry WH American Beech T Poison Ivy WV Basswood T Purple Flowering Raspberry WV Black Oak T Quaking Aspen T Black Willow T Red Maple T Black Raspberry WV Red Oak T Black Walnut T Shadblow T Canadian Hemlock T Shagbark hickory T Catbrier WV Shingle-Oak T Cherry Birch T Slippery Elm T Common Black Locust T Smooth Sumac T Common Apple T Spice Bush S Common Elder S Staghorn Sumac T Common Hackberry T Sugar Maple T Common Alder S Sycamore T Cottonwood T Teaberry WH Cucumber Tree T Trailing Arbutus WH Currant S Tulip Tree T Early Azalea S Virginia Creeper WV Flowering Dogwood T White Sassafras T Frost Grape WV White Ash T Great Laurel S White Oak T Hawthorne T Wild Crab T Hop-Hornbeam T Wild Hydrangea S Viburnum, Maple Leaved S Wild Black Cherry T Mockernut T Winterberry S Mountain Laurel S Wintergreen WH Nine Bark S Witch Hazel S

PCLCT Flora of Crouse Run Valley, reformatted 07.2010 pinecreeklandtrust.org