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garlic mustard
Alliaria petiolata
12,384 observations
mayapple
Podophyllum peltatum
10,805 observations
American pokeweed
Phytolacca americana
9,196 observations
multiflora rose
Rosa multiflora
9,090 observations
dame's rocket
Hesperis matronalis
9,001 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
8,379 observations
ground-ivy
Glechoma hederacea
8,131 observations
common milkweed
Asclepias syriaca
7,916 observations
Virginia Springbeauty
Claytonia virginica
7,832 observations
white snakeroot
Ageratina altissima
7,707 observations
common mugwort
Artemisia vulgaris
7,642 observations
Christmas fern
Polystichum acrostichoides
7,338 observations
sensitive fern
Onoclea sensibilis
7,171 observations
lesser celandine
Ficaria verna
7,144 observations
Amur honeysuckle
Lonicera maackii
7,107 observations
American tuliptree
Liriodendron tulipifera
7,103 observations
red deadnettle
Lamium purpureum
6,756 observations
eastern poison ivy
Toxicodendron radicans
6,624 observations
wineberry
Rubus phoenicolasius
6,340 observations
common jewelweed
Impatiens capensis
6,101 observations
yellow trout lily
Erythronium americanum
6,031 observations
eastern white pine
Pinus strobus
5,936 observations
Japanese barberry
Berberis thunbergii
5,775 observations
bloodroot
Sanguinaria canadensis
5,700 observations
American beech
Fagus grandifolia
5,611 observations
purple crownvetch
Securigera varia
5,535 observations
northern spicebush
Lindera benzoin
5,455 observations
Jack-in-the-Pulpit
Arisaema triphyllum
5,333 observations
eastern hemlock
Tsuga canadensis
5,263 observations
great mullein
Verbascum thapsus
5,244 observations
Ghost Pipe
Monotropa uniflora
5,202 observations
mountain laurel
Kalmia latifolia
5,172 observations
box elder
Acer negundo
5,115 observations
sassafras
Sassafras albidum
4,861 observations
wild carrot
Daucus carota
4,784 observations
autumn olive
Elaeagnus umbellata
4,767 observations
wild geranium
Geranium maculatum
4,719 observations
partridgeberry
Mitchella repens
4,719 observations
Virginia bluebells
Mertensia virginica
4,651 observations
chicory
Cichorium intybus
4,567 observations
mock strawberry
Potentilla indica
4,550 observations
white clover
Trifolium repens
4,473 observations
creeping thistle
Cirsium arvense
4,254 observations
Red Clover
Trifolium pratense
4,227 observations
staghorn sumac
Rhus typhina
4,210 observations
common selfheal
Prunella vulgaris
4,208 observations
Philadelphia fleabane
Erigeron philadelphicus
4,191 observations
Virginia creeper
Parthenocissus quinquefolia
4,182 observations
common yarrow
Achillea millefolium
4,167 observations
Asian bittersweet
Celastrus orbiculatus
4,126 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)
- Eastern Skunk Cabbage (Symplocarpus foetidus)
- ground-ivy (Glechoma hederacea)
- common milkweed (Asclepias syriaca)
- Virginia Springbeauty (Claytonia virginica)
- white snakeroot (Ageratina altissima)
- The most observed plant in Pennsylvania is garlic mustard (Alliaria petiolata), with 12,384 recorded observations.