Dead Man's Hollow Conservation Area

Dead Man's Hollow is largest privately owned conservation area in Allegheny County at 434 acres and is open to the public year round from dawn til dusk. Access the Hollow from Catfish Pond, from Great Allegheny Passage, or from Orchard Lane.

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Common Dandelion

Taraxacum officinale, the common dandelion (often simply called "dandelion"), is a flowering herbaceous perennial plant of the family Asteraceae (Compositae). It can be found growing in temperate regions of the world, in lawns, on roadsides, on disturbed banks and shores of water ways, and other areas with moist soils. T. officinale is considered a weed, ...more ↓

Dames Rocket

Hesperis matronalis is a herbaceous plant species in the mustard family, Brassicaceae. It has numerous common names, including dame’s rocket, damask violet, dame’s violet, dames-wort, dame’s gilliflower, night-scented gilliflower, queen’s gilliflower, rogue’s gilliflower, summer lilac, sweet rocket, ...more ↓

Eastern Redbud

Cercis canadensis (eastern redbud) is a large deciduous shrub or small tree, native to eastern North America from Southern Ontario, Canada south to northern Florida but can thrive as far west as California.

Eastern Hemlock

Tsuga canadensis, also known as eastern hemlock or Canadian hemlock, and in the French-speaking regions of Canada as Pruche du Canada, is a coniferous tree native to eastern North America. It is the state tree of Pennsylvania.

squirrel corn

Dicentra canadensis, or squirrel corn, is a herbaceous plant in the fumitory family with small yellow clustered bulblets, finely dissected leaves, and white heart-shaped flowers, native to deciduous woodland in eastern North America.

American Beech

Fagus grandifolia, commonly known as American Beech or North American beech, is a species of beech tree. This is Latin for: Fagus, Beech; grandi, great; folia, leaves. It is native to eastern North America, from Nova Scotia west to southern Ontario in southeastern Canada, west to Wisconsin and south to eastern Texas and northern Florida in the United States. Trees ...more ↓

Mayapple

Podophyllum peltatum, commonly called Mayapple, or May Apple, (or hogapple, Indian apple, mayflower, umbrella plant, wild lemon (flavor of the fruit), wild mandrake, American mandrake (shape of rhizomes) or "devil's apple" (used for Solanum linnaeanum elsewhere)), is a herbaceous perennial plant in the family Berberidaceae, native to deciduous forests in of eastern North ...more ↓

Virginia Creeper

Parthenocissus quinquefolia, known as Virginia creeper, five-leaved ivy, or five-finger, is a species of flowering plant in the vine family Vitaceae, native to eastern and central North America, in southeastern Canada, the eastern and central United States, eastern Mexico, and Guatemala, west as far as Manitoba, South Dakota, Utah and Texas.

Jack-in-the-pulpit

Arisaema triphyllum (jack-in-the-pulpit, bog onion, brown dragon, Indian turnip, American wake robin, or wild turnip) is a herbaceous perennial plant growing from a corm. It is a highly variable species typically growing 30–65 centimetres (12–26 in) in height with three parted leaves and flowers contained in a spadix that is covered by a ...more ↓

Wake-Robin

Trillium erectum, also known as wake-robin, red trillium, purple trillium,Beth root, or stinking Benjamin, is a species of flowering plant native to the east and north-east of North America. It is a Spring ephemeral, an herbaceous perennial whose life-cycle is synchronised with that of the deciduous forests where it lives.

Bloodroot

Sanguinaria canadensis, bloodroot, is a perennial, herbaceous flowering plant native to eastern North America. It is the only species in the genus Sanguinaria, included in the family Papaveraceae, and most closely related to Eomecon of eastern Asia.

False Solomon's Seal

Maianthemum racemosum (treacleberry, false Solomon's seal, Solomon's plume or false spikenard; syn. Smilacina racemosa, Vagnera racemosa) is a species of flowering plant native to North America.

Eastern White Pine

Pinus strobus, commonly known as the eastern white pine, white pine, northern white pine, Weymouth pine, and soft pine is a large pine native to eastern North America. It occurs from Newfoundland west through the Great Lakes region to southeastern Manitoba and Minnesota, and south along the Mississippi Basin and Appalachian Mountains to ...more ↓

Sugar Maple

Acer saccharum (sugar maple) is a species of maple native to the hardwood forests of northeastern North America, from Nova Scotia west to southern Ontario, and south to Georgia and Texas. Sugar maple is best known for its bright fall foliage and for being the primary source of maple syrup.

Bracken

Pteridium aquilinum (bracken, brake or common bracken), also known as "eagle fern," is a species of fern occurring in temperate and subtropical regions in both hemispheres. The extreme lightness of its spores has led to its global distribution.

Elderberry

Sambucus nigra is a species complex of flowering plants in the family Adoxaceae, native to most of Europe. Common names include elder, elderberry, black elder, European elder, European elderberry and European black elderberry, It grows in a variety of conditions including both wet and dry fertile soils, primarily in sunny locations.

Catchweed bedstraw

Cleavers(Galium aparine) are herbaceous annual plants of the family Rubiaceae, which are native to North America and Eurasia.

common chickweed

Stellaria media, chickweed, is a cool-season annual plant native to Europe, which is often eaten by chickens. It is sometimes called common chickweed to distinguish it from other plants called chickweed. Other common names include chickenwort, craches, maruns, winterweed. The plant germinates in fall or late winter, then forms large mats ...more ↓

Christmas Fern

Polystichum acrostichoides (Christmas fern) is an evergreen fern native to eastern North America from Nova Scotia west to Minnesota and south to Florida and eastern Texas. It is one of the most common ferns in eastern North America, being found in a wide variety of habitats and locations.

Rum Cherry

Prunus serotina, commonly called black cherry, wild black cherry, rum cherry, or mountain black cherry, is a woody plant species belonging to the genus Prunus. This cherry is native to eastern North America: from eastern Canada through southern Quebec and Ontario; south through the eastern United States to Texas and central Florida; with ...more ↓

Large White Trillium

Trillium grandiflorum (common names white trillium, great white trillium, white wake-robin, French trille blanc) is a species of flowering plant in the family Melanthiaceae. A monocotyledonous, herbaceous perennial, it is native to eastern North America, from northern Quebec to the southern parts of the United States through the Appalachian ...more ↓

small white leek

Allium tricoccum (commonly known as ramp,ramps, spring onion, ramson, wild leek,wood leek, and wild garlic) is an early spring vegetable, a perennial wild onion with a strong garlic-like odor and a pronounced onion flavor. Ramps are found across eastern North America, from the U.S. state of South Carolina to Canada. They are ...more ↓

Hairy bittercress

Hairy bittercress, Cardamine hirsuta, is an ephemeral plant native to Europe and Asia, but also present in North America. The plant is a member of the mustard family (Brassicaceae), and is edible as a bitter herb. It flowers from quite early in the Spring until the Autumn. The small white flowers are borne in a corymb on wiry green stems, soon followed by the seeds and ...more ↓

Lesser Periwinkle

Vinca minor (common names lesser periwinkle or dwarf periwinkle) is a species of flowering plant native to central and southern Europe, from Portugal and France north to the Netherlands and the Baltic States, east to the Caucasus, and also southwestern Asia in Turkey. Other vernacular names used in cultivation include small periwinkle, common ...more ↓

Red deadnettle

The red deadnettle, purple deadnettle, purple archangel, or velikdenche (Lamium purpureum) is a herbaceous flowering plant native to Europe and Asia.

Glossy Buckthorn

Rhamnus frangula, (Frangula alnus), the alder buckthorn, is a tall deciduous shrub in the family Rhamnaceae. It is native to Europe, northernmost Africa, and western Asia, from Ireland and Great Britain north to 68°N in Scandinavia, east to central Siberia and Xinjiang in western China, and south to northern Morocco, Turkey, and the Alborz and Caucasus ...more ↓

Garlic Mustard

Garlic mustard (Alliaria petiolata) is a biennial flowering plant in the Mustard family, Brassicaceae. It is native to Europe, western and central Asia, and northwestern Africa, from Morocco, Iberia and the British Isles, north to northern Scandinavia, and east to northern India and western China (Xinjiang). In the first year of growth, plants form clumps of round shaped, ...more ↓

Star-of-Bethlehem

Ornithogalum umbellatum (Star-of-Bethlehem, grass lily, nap-at-noon, eleven-o'clock lady), is a perennial bulbous flowering plant, native throughout most of southern and central Europe, north-western Africa and south-western Asia. In North America, it has escaped its cultivation as a garden ornamental and can be found in many areas.

Canadian wild ginger

Asarum canadense, commonly known as Canada wild ginger, Canadian snakeroot and broad-leaved asarabaccais, is a herbaceous perennial native to deciduous forest in eastern North America, from the Great Plains east to the Atlantic Coast, and from southeastern Canada south to approximately the fall line in the southeastern United States.

great scented liverwort

Conocephalum conicum, the snakeskin liverwort, is a liverwort species in the genus Conocephalum .

Thunberg's Barberry

Berberis thunbergii (Japanese barberry,Thunberg's barberry, or Red barberry) is a species of Berberis, native to Japan and eastern Asia.

Poison Ivy

Toxicodendron radicans, commonly known as poison ivy (older synonyms are Rhus toxicodendron and Rhus radicans), is a poisonous North American and Asian plant that is well known for its production of urushiol, a clear liquid compound found within the sap of the plant that causes an itching, irritation and sometimes painful rash in most people who touch it. ...more ↓

Virginia Bluebells

Mertensia virginica (common names Virginia bluebell, Virginia cowslip, lungwort oysterleaf, Roanoke bells) is a species of flowering plant in the family Boraginaceae, native to moist woodland in eastern North America. It is a spring ephemeral plant with bell-shaped sky-blue flowers opening from pink buds. The leaves are rounded and gray-green, borne ...more ↓

Cutleaf Toothwort

The Cutleaf Toothwort, Crow's Toes, Pepper Root, Purple-flowered Toothwort (Cardamine concatenata) is a flowering plant in Brassicaceae. It owes its name to the tooth-like appearance of its rhizome. It is a perennial plant woodland wildflower native to eastern North America. It is considered a spring ephemeral and blooms in March, April, and/or May.

maple-leaf viburnum

Viburnum acerifolium (Maple-leaf Viburnum or Dockmackie) is a species of Viburnum, native to eastern North America from southwestern Quebec and Ontario south to northern Florida and eastern Texas.

Oriental Staff Vine

Celastrus orbiculatus is a woody vine of the Celastraceae family. It is commonly called Oriental bittersweet. Other common names include Chinese bittersweet,Asian bittersweet,Round-leaved bittersweet, and Asiatic bittersweet. Celastrus orbiculatus was introduced into North America in 1879, and is considered to be an invasive species in ...more ↓

Carolina spring-beauty

Claytonia caroliniana, the Carolina springbeauty, is an herbaceous perennial in the family Portulacaceae. Its native range is Eastern North America.

azure bluet

Houstonia caerulea (azure bluet or Quaker ladies) is a perennial species in the Rubiaceae family.

Japanese Knotweed

Fallopia japonica, commonly known as Japanese knotweed, is a large, herbaceous perennial plant of the family Polygonaceae, native to Eastern Asia in Japan, China and Korea. In North America and Europe the species is very successful and has been classified as an invasive species in several countries. Japanese knotweed has hollow stems with distinct raised nodes that give ...more ↓

Multiflora Rose

Rosa multiflora, commonly known as multiflora rose,baby rose,Japanese rose,many-flowered rose,seven-sisters rose,Eijitsu rose, is a species of rose native to eastern Asia, in China, Japan and Korea. It should not be confused with Rosa rugosa, which is also known as "Japanese rose".

Virginia Waterleaf

The Virginia Waterleaf (Hydrophyllum virginianum, often misspelled as virginicum) is an herbaceous perennial plant native to Eastern North America. The plant sometimes spreads by rhizomes to form large colonies in wooded areas. It can also spread by seeds. The seedling usually appear early to mid-spring. Flowers are blue, white, or purple, appearing in mid to late ...more ↓

early meadow-rue

Thalictrum dioicum (early meadow-rue or quicksilver-weed) is a species of herbaceous plants in the family Ranunculaceae. Plants are typically upright growing woodland natives from central and eastern North America including parts of south eastern Canada. This species has dioecious plants, with male and female flowers on separate plants blooming in early to mid ...more ↓

woolly blue violet

Viola sororia, known commonly as the Common Blue Violet, is a stemless herbaceous perennial plant that is native to eastern North America. It is known by a number of common names including; Common Meadow Violet, Purple Violet, Woolly Blue Violet, Hooded Violet and Wood Violet.

Blue Cohosh

Caulophyllum thalictroides, blue cohosh a species of Caulophyllum (family Berberidaceae), also called squaw root or papoose root, is a flowering plant in the Berberidaceae (barberry) family. It is a medium-tall perennial with blue berry-like fruits and bluish-green foliage.

spring beauty

Claytonia virginica (L.), the Eastern spring beauty, Virginia spring beauty, or fairy spud, is an herbaceous perennial in the family Portulacaceae. Its native range is Eastern North America. Its scientific name honors Colonial Virginia botanist John Clayton (1694–1773).

broadleaf toothwort

Cardamine diphylla (Broadleaf toothwort, Crinkle root, Crinkle-root, Crinkleroot, Pepper root, Twin-leaved Toothwort, Twoleaf toothwort, Toothwort; syn. Dentaria diphylla Michx., Dentaria incisa Small) is a plant is native to North America.

Wood nettle

Laportea canadensis, commonly called Canada nettle or wood-nettle, is an annual or perennial herbaceous plant of the nettle family Urticaceae, native to eastern and central North America. It is found growing in open woods with moist rich soils and along streams and in drainages.

smooth rockcress

Boechera laevigata is a species of flowering plant in the mustard family known by the common name smooth rockcress. It is native to many areas of the eastern United States and Canada, where it grows in calcareous rocky woods and bluffs. It is moderately common throughout its range, although it is absent from the southeastern coastal plain and the far north.

ebony spleenwort

Asplenium platyneuron (syn. Asplenium ebeneum), commonly known as ebony spleenwort or brownstem spleenwort, is a fern native to North America east of the Rocky Mountains and to South Africa. It takes its common name from its dark, reddish-brown, glossy stipe and rachis (stem and leaf axis), which bear a once-divided, pinnate leaf. The fertile fronds, which ...more ↓

small-flowered crowfoot

Ranunculus abortivus is a species of flowering plant in the buttercup family, Ranunculaceae. Its common names include littleleaf buttercup, small-flower crowfoot,small-flowered buttercup, and kidneyleaf buttercup. It is native to North America, with a distribution that covers much of the northern, eastern and central part of the continent.

star chickweed

Stellaria pubera (star chickweed) is a wildflower found in the eastern United States and the Great Smokey Mountains.

large-flower bellwort

Uvularia grandiflora (large-flowered bellwort or merrybells) is a species of flowering plant in the family Colchicaceae, native to eastern North America.

Wild Stone Crop

Sedum ternatum is the most widespread native Sedum species in eastern North America, commonly known as woodland stonecrop. It has white flowers, blooming April to May. This species grows where it can receive unimpeded sunlight year-round, including rocky places. It adapts well to garden use.

Sweet White Violet

Viola blanda (Sweet white violet,Large-leaf white violet, Willdenow's violet, Woodland-white violet, fr. Violette méconnue; syn. Viola incognita Brainerd) is a flowering perennial plant in the Violet family (Violaceae). It is native to parts of south-eastern and south-central Canada and the eastern, and north-central, United States.

white wood aster

Eurybia divaricata (formerly Aster divaricatus), commonly known as the white wood aster, is an herbaceous plant native to eastern North America. It occurs in the eastern United States, primarily in the Appalachian mountains, though it is also present in southeastern Canada, but only in about 25 populations in the provinces of Ontario and Quebec. In the U.S. it is ...more ↓

pale corydalis

Corydalis flavula (Yellow Fumewort, Yellow Harlequin; syn. Capnoides flavulum (Raf.) Kuntze, Fumaria flavula Raf.) is an annual plant native to the eastern United States.

Chestnut Oak

Quercus prinus (syn. Quercus montana), the chestnut oak, is a species of oak in the white oak group, Quercus sect. Quercus. It is native to the eastern United States, where it is one of the most important ridgetop trees from southern Maine southwest to central Mississippi, with an outlying northwestern population in southern Michigan. It is also ...more ↓

common ninebark

Physocarpus opulifolius, common names common ninebark or Atlantic ninebark, is a species of flowering plant in the rose family Rosaceae, native to eastern North America.

Halberd Leaved Violet

Viola hastata, commonly known as the halberd-leaved yellow violet, is a perennial plant in the violet family found in the eastern United States. It blooms from March to May with yellow flowers.

wild hydrangea

Hydrangea arborescens, commonly known as smooth hydrangea, wild hydrangea, or sevenbark, is a species of flowering plant in the family Hydrangeaceae. It is a small- to medium-sized, deciduous shrub up to 3 m (10 ft) tall that is native to the eastern United States.

deertongue

Dichanthelium clandestinum is a species of grass known by the common name deertongue. It is native to eastern North America, including eastern Canada and the eastern United States.

Jumpseed

Jumpseed (Persicaria virginiana) is a Persicaria. They can grow in dry, shady areas.

Pellia epiphylla

Pellia epiphylla (sometimes known as overleaf pellia or common pellia) is a species of thallose liverwort. It occurs in North America, Europe, North Africa and parts of Asia. It grows in patches in damp, sheltered places on neutral or acidic substrates. It is common on the banks of rivers, streams and ditches and also grows in wet woodland, marshes and on wet ...more ↓

Edited by jbuerklejr, some rights reserved (CC BY-SA)