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garlic mustard
Alliaria petiolata
11,713 observations
mayapple
Podophyllum peltatum
9,992 observations
American pokeweed
Phytolacca americana
8,883 observations
multiflora rose
Rosa multiflora
8,698 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
7,977 observations
ground-ivy
Glechoma hederacea
7,723 observations
dame's rocket
Hesperis matronalis
7,664 observations
Virginia Springbeauty
Claytonia virginica
7,639 observations
white snakeroot
Ageratina altissima
7,638 observations
common milkweed
Asclepias syriaca
7,508 observations
common mugwort
Artemisia vulgaris
7,038 observations
lesser celandine
Ficaria verna
7,003 observations
Amur honeysuckle
Lonicera maackii
6,847 observations
Christmas fern
Polystichum acrostichoides
6,793 observations
American tuliptree
Liriodendron tulipifera
6,646 observations
red deadnettle
Lamium purpureum
6,491 observations
sensitive fern
Onoclea sensibilis
6,482 observations
eastern poison ivy
Toxicodendron radicans
6,076 observations
wineberry
Rubus phoenicolasius
6,040 observations
common jewelweed
Impatiens capensis
5,970 observations
yellow trout lily
Erythronium americanum
5,906 observations
eastern white pine
Pinus strobus
5,632 observations
Japanese barberry
Berberis thunbergii
5,558 observations
bloodroot
Sanguinaria canadensis
5,497 observations
American beech
Fagus grandifolia
5,441 observations
northern spicebush
Lindera benzoin
5,266 observations
purple crownvetch
Securigera varia
5,153 observations
eastern hemlock
Tsuga canadensis
5,141 observations
Ghost Pipe
Monotropa uniflora
5,050 observations
Jack-in-the-Pulpit
Arisaema triphyllum
4,957 observations
great mullein
Verbascum thapsus
4,943 observations
mountain laurel
Kalmia latifolia
4,784 observations
box elder
Acer negundo
4,779 observations
wild carrot
Daucus carota
4,724 observations
Virginia bluebells
Mertensia virginica
4,542 observations
chicory
Cichorium intybus
4,479 observations
sassafras
Sassafras albidum
4,454 observations
autumn olive
Elaeagnus umbellata
4,451 observations
partridgeberry
Mitchella repens
4,435 observations
mock strawberry
Potentilla indica
4,358 observations
wild geranium
Geranium maculatum
4,223 observations
common selfheal
Prunella vulgaris
4,150 observations
staghorn sumac
Rhus typhina
4,087 observations
white clover
Trifolium repens
4,073 observations
creeping thistle
Cirsium arvense
4,053 observations
common yarrow
Achillea millefolium
4,001 observations
Asian bittersweet
Celastrus orbiculatus
3,988 observations
cut-leaved toothwort
Cardamine concatenata
3,961 observations
Japanese honeysuckle
Lonicera japonica
3,923 observations
Carolina horsenettle
Solanum carolinense
3,911 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)
- Eastern Skunk Cabbage (Symplocarpus foetidus)
- ground-ivy (Glechoma hederacea)
- dame's rocket (Hesperis matronalis)
- Virginia Springbeauty (Claytonia virginica)
- white snakeroot (Ageratina altissima)
- common milkweed (Asclepias syriaca)
- The most observed plant in Pennsylvania is garlic mustard (Alliaria petiolata), with 11,713 recorded observations.