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garlic mustard
Alliaria petiolata
12,518 observations
mayapple
Podophyllum peltatum
11,001 observations
American pokeweed
Phytolacca americana
10,246 observations
multiflora rose
Rosa multiflora
9,308 observations
common milkweed
Asclepias syriaca
9,303 observations
dame's rocket
Hesperis matronalis
9,185 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
8,577 observations
ground-ivy
Glechoma hederacea
8,445 observations
common mugwort
Artemisia vulgaris
8,105 observations
white snakeroot
Ageratina altissima
8,094 observations
Virginia Springbeauty
Claytonia virginica
7,897 observations
Christmas fern
Polystichum acrostichoides
7,723 observations
sensitive fern
Onoclea sensibilis
7,691 observations
American tuliptree
Liriodendron tulipifera
7,570 observations
Amur honeysuckle
Lonicera maackii
7,301 observations
eastern poison ivy
Toxicodendron radicans
7,291 observations
common jewelweed
Impatiens capensis
7,187 observations
lesser celandine
Ficaria verna
7,170 observations
wineberry
Rubus phoenicolasius
6,846 observations
red deadnettle
Lamium purpureum
6,775 observations
Japanese barberry
Berberis thunbergii
6,399 observations
eastern white pine
Pinus strobus
6,317 observations
Ghost Pipe
Monotropa uniflora
6,220 observations
purple crownvetch
Securigera varia
6,117 observations
yellow trout lily
Erythronium americanum
6,050 observations
northern spicebush
Lindera benzoin
5,930 observations
American beech
Fagus grandifolia
5,821 observations
bloodroot
Sanguinaria canadensis
5,790 observations
great mullein
Verbascum thapsus
5,713 observations
wild carrot
Daucus carota
5,603 observations
Jack-in-the-Pulpit
Arisaema triphyllum
5,519 observations
eastern hemlock
Tsuga canadensis
5,501 observations
box elder
Acer negundo
5,488 observations
mountain laurel
Kalmia latifolia
5,419 observations
sassafras
Sassafras albidum
5,342 observations
chicory
Cichorium intybus
5,129 observations
autumn olive
Elaeagnus umbellata
5,111 observations
partridgeberry
Mitchella repens
5,039 observations
common selfheal
Prunella vulgaris
5,037 observations
white clover
Trifolium repens
4,857 observations
mock strawberry
Potentilla indica
4,823 observations
wild geranium
Geranium maculatum
4,805 observations
Virginia bluebells
Mertensia virginica
4,686 observations
American burnweed
Erechtites hieraciifolius
4,642 observations
Carolina horsenettle
Solanum carolinense
4,631 observations
Red Clover
Trifolium pratense
4,581 observations
creeping thistle
Cirsium arvense
4,581 observations
Virginia creeper
Parthenocissus quinquefolia
4,516 observations
hemp dogbane
Apocynum cannabinum
4,437 observations
staghorn sumac
Rhus typhina
4,424 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)
- common milkweed (Asclepias syriaca)
- dame's rocket (Hesperis matronalis)
- Eastern Skunk Cabbage (Symplocarpus foetidus)
- ground-ivy (Glechoma hederacea)
- common mugwort (Artemisia vulgaris)
- white snakeroot (Ageratina altissima)
- The most observed plant in Pennsylvania is garlic mustard (Alliaria petiolata), with 12,518 recorded observations.