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garlic mustard
Alliaria petiolata
12,577 observations
white snakeroot
Ageratina altissima
11,243 observations
mayapple
Podophyllum peltatum
11,025 observations
American pokeweed
Phytolacca americana
10,747 observations
common milkweed
Asclepias syriaca
9,547 observations
multiflora rose
Rosa multiflora
9,431 observations
dame's rocket
Hesperis matronalis
9,312 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
8,686 observations
ground-ivy
Glechoma hederacea
8,581 observations
common mugwort
Artemisia vulgaris
8,450 observations
Christmas fern
Polystichum acrostichoides
7,978 observations
Virginia Springbeauty
Claytonia virginica
7,944 observations
sensitive fern
Onoclea sensibilis
7,870 observations
American tuliptree
Liriodendron tulipifera
7,805 observations
Amur honeysuckle
Lonicera maackii
7,612 observations
common jewelweed
Impatiens capensis
7,445 observations
eastern poison ivy
Toxicodendron radicans
7,427 observations
lesser celandine
Ficaria verna
7,182 observations
wineberry
Rubus phoenicolasius
6,979 observations
red deadnettle
Lamium purpureum
6,819 observations
Japanese barberry
Berberis thunbergii
6,729 observations
eastern white pine
Pinus strobus
6,611 observations
Ghost Pipe
Monotropa uniflora
6,300 observations
purple crownvetch
Securigera varia
6,280 observations
northern spicebush
Lindera benzoin
6,197 observations
American beech
Fagus grandifolia
6,112 observations
yellow trout lily
Erythronium americanum
6,062 observations
great mullein
Verbascum thapsus
5,821 observations
bloodroot
Sanguinaria canadensis
5,817 observations
wild carrot
Daucus carota
5,761 observations
eastern hemlock
Tsuga canadensis
5,658 observations
mountain laurel
Kalmia latifolia
5,588 observations
Jack-in-the-Pulpit
Arisaema triphyllum
5,580 observations
sassafras
Sassafras albidum
5,572 observations
box elder
Acer negundo
5,554 observations
creeping thistle
Cirsium arvense
5,536 observations
autumn olive
Elaeagnus umbellata
5,462 observations
chicory
Cichorium intybus
5,389 observations
partridgeberry
Mitchella repens
5,211 observations
common selfheal
Prunella vulgaris
5,172 observations
white clover
Trifolium repens
5,040 observations
mock strawberry
Potentilla indica
4,930 observations
wild geranium
Geranium maculatum
4,903 observations
American burnweed
Erechtites hieraciifolius
4,845 observations
Carolina horsenettle
Solanum carolinense
4,795 observations
Red Clover
Trifolium pratense
4,710 observations
Virginia bluebells
Mertensia virginica
4,689 observations
Virginia creeper
Parthenocissus quinquefolia
4,642 observations
hemp dogbane
Apocynum cannabinum
4,627 observations
American sycamore
Platanus occidentalis
4,584 observations
Frequently Asked Questions
- The 10 most common plants in Pennsylvania are:
- garlic mustard (Alliaria petiolata)
- white snakeroot (Ageratina altissima)
- mayapple (Podophyllum peltatum)
- American pokeweed (Phytolacca americana)
- common milkweed (Asclepias syriaca)
- multiflora rose (Rosa multiflora)
- dame's rocket (Hesperis matronalis)
- Eastern Skunk Cabbage (Symplocarpus foetidus)
- ground-ivy (Glechoma hederacea)
- common mugwort (Artemisia vulgaris)
- The most observed plant in Pennsylvania is garlic mustard (Alliaria petiolata), with 12,577 recorded observations.