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garlic mustard
Alliaria petiolata
12,484 observations
mayapple
Podophyllum peltatum
10,949 observations
American pokeweed
Phytolacca americana
9,618 observations
multiflora rose
Rosa multiflora
9,212 observations
dame's rocket
Hesperis matronalis
9,118 observations
common milkweed
Asclepias syriaca
8,747 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
8,446 observations
ground-ivy
Glechoma hederacea
8,374 observations
Virginia Springbeauty
Claytonia virginica
7,882 observations
common mugwort
Artemisia vulgaris
7,876 observations
white snakeroot
Ageratina altissima
7,792 observations
Christmas fern
Polystichum acrostichoides
7,540 observations
sensitive fern
Onoclea sensibilis
7,459 observations
American tuliptree
Liriodendron tulipifera
7,363 observations
Amur honeysuckle
Lonicera maackii
7,192 observations
lesser celandine
Ficaria verna
7,160 observations
eastern poison ivy
Toxicodendron radicans
7,122 observations
red deadnettle
Lamium purpureum
6,766 observations
wineberry
Rubus phoenicolasius
6,675 observations
common jewelweed
Impatiens capensis
6,437 observations
Japanese barberry
Berberis thunbergii
6,300 observations
eastern white pine
Pinus strobus
6,127 observations
yellow trout lily
Erythronium americanum
6,039 observations
purple crownvetch
Securigera varia
5,941 observations
Ghost Pipe
Monotropa uniflora
5,841 observations
bloodroot
Sanguinaria canadensis
5,746 observations
American beech
Fagus grandifolia
5,734 observations
northern spicebush
Lindera benzoin
5,618 observations
great mullein
Verbascum thapsus
5,580 observations
Jack-in-the-Pulpit
Arisaema triphyllum
5,425 observations
eastern hemlock
Tsuga canadensis
5,390 observations
mountain laurel
Kalmia latifolia
5,337 observations
box elder
Acer negundo
5,310 observations
wild carrot
Daucus carota
5,208 observations
sassafras
Sassafras albidum
5,127 observations
autumn olive
Elaeagnus umbellata
4,900 observations
chicory
Cichorium intybus
4,884 observations
partridgeberry
Mitchella repens
4,875 observations
common selfheal
Prunella vulgaris
4,768 observations
wild geranium
Geranium maculatum
4,754 observations
Virginia bluebells
Mertensia virginica
4,679 observations
mock strawberry
Potentilla indica
4,679 observations
white clover
Trifolium repens
4,644 observations
Red Clover
Trifolium pratense
4,407 observations
Carolina horsenettle
Solanum carolinense
4,377 observations
Virginia creeper
Parthenocissus quinquefolia
4,371 observations
creeping thistle
Cirsium arvense
4,370 observations
common yarrow
Achillea millefolium
4,331 observations
staghorn sumac
Rhus typhina
4,312 observations
American sycamore
Platanus occidentalis
4,223 observations
Frequently Asked Questions
- The 10 most common plants in Pennsylvania are:
- garlic mustard (Alliaria petiolata)
- mayapple (Podophyllum peltatum)
- American pokeweed (Phytolacca americana)
- multiflora rose (Rosa multiflora)
- dame's rocket (Hesperis matronalis)
- common milkweed (Asclepias syriaca)
- Eastern Skunk Cabbage (Symplocarpus foetidus)
- ground-ivy (Glechoma hederacea)
- Virginia Springbeauty (Claytonia virginica)
- common mugwort (Artemisia vulgaris)
- The most observed plant in Pennsylvania is garlic mustard (Alliaria petiolata), with 12,484 recorded observations.