For a more detailed listing of Wissahickon Creek area plants, please visit
the Pennsylvania Flora Database, part of the Pennsylvania Flora Project,
which is administered by the Botany Department at the Morris Arboretum.

 

note: species are arranged within categories alphabetically by Latin name

Trees
boxelder (Acer negundo)
red maple (Acer rubrum)
silver maple (Acer saccharinum)
sugar maple (Acer saccharum)
sweet birch, a.k.a. black birch (Betula lenta)
American hornbeam, a.k.a. ironwood (Carpinus caroliniana)
shagbark hickory (Carya ovata)
mockernut hickory (Carya tomentosa)
northern catalpa (Catalpa speciosa)
common hackberry (Celtis occidentalis)
flowering dogwood (Cornus florida)
American beech (Fagus grandifolia)
white ash (Fraxinus americana)
green ash (Fraxinus pennsylvanica)
American holly (Ilex americana)
black walnut (Juglans nigra)
sweetgum (Liquidambar styraciflua)
tulip-tree, a.k.a tulip-poplar, a.k.a. yellow-poplar (Liriodendron tulipifera)
blackgum, a.k.a. tupelo (Nyssa sylvatica)
hop-hornbeam (Ostrya virginiana)
eastern white pine (Pinus strobus)
American sycamore (Platanus occidentalis)
bird cherry (Prunus avium)
wild black cherry (Prunus serotina)
white oak (Quercus alba)
willow oak (Quercus phellos)
chestnut oak (Quercus prinus, a.k.a. Quercus montana)
northern red oak (Quercus rubra)
black oak (Quercus velutina)
black locust (Robinia pseudoacacia)
black willow (Salix nigra)
sassafras (Sassafras albidum)
eastern hemlock (Tsuga canadensis)
American elm (Ulmus americana)
slippery elm (Ulmus rubra)

Woody Perennial Shrubs & Vines
moose maple (Acer pensylvanicum)
serviceberry (Amelanchier spp.)
red chokeberry (Aronia arbutifolia)
eastern redbud (Cercis canadensis)
hawthorn (Crataegus spp.)
American witch-hazel (Hamamelis virginiana)
sevenbark (Hydrangea arborescens)
mountain-laurel (Kalmia latifolia)
spicebush (Lindera benzoin)
Virginia creeper (Parthenocissus quinquefolia)
rosebay (Rhododendron maximum)
greenbriar (Smilax hispida)
poison-ivy (Toxicodendron radicans)
maple-leaf viburnum (Viburnum acerifolium)
arrowwood viburnum (Viburnum dentatum)

Herbaceous Perennials
Jack-in-the-pulpit (Arisaema triphyllum)
milkweed species (Asclepias spp.)
spring beauty (Claytonia virginica)
horsetail species  (Equisetum spp.)
boneset (Eupatorium perfoliatum)
Joe-Pye weed (Eupatorium spp.)
cleavers species (Galium spp.)
Virginia waterleaf (Hydrophyllum virginianum)
ostrich fern (Matteuccia struthiopteris)
sensitive fern (Onoclea sensibilis)
cinnamon fern (Osmunda cinnamomea)
common yellow wood-sorrel (Oxalis stricta)
phlox species (Phlox spp.)
pokeweed (Phytolacca americana)
plantain species (Plantago spp.)
lady's thumb (Polygonum punctatum)
jumpseed (Polygonum virginianum)
Christmas fern (Polystichum acrostichoides)
mayapple (Podophyllum peltatum)
bracken fern (Pteridium aquilinum)
three-lobed coneflower (Rudbeckia triloba)
bloodroot (Sanguinaria canadensis)
golden ragwort (Senecio aureus)
fire pink (Silene virginica)
skunk cabbage (Symplocarpus foetidus)
large-flowered trillium (Trillium grandiflorum)

Annuals
ragweed species (Ambrosia spp.)
lamb's quarters (Chenopodium album)
beechdrops (Epifagus virginiana)
daisy fleabane (Erigeron spp.)
herb-robert (Geranium robertianum)
jewelweed, a.k.a. spotted touch-me-not (Impatiens capensis)
pale jewelweed (Impatiens pallida)
chickweed species (Paronychia spp.)
smartweed (Polygonum pensylvanicum)
purslane (Portulaca oleracea)
Venus' looking-glass (Triodanis perfoliata)

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