Plants of Pennsylvania
The plants most often spotted in Pennsylvania, ranked by recent research-grade observations.
419,219
recent observations
50
species listed
50
plants
Naturalists have logged 419,219 research-grade observations across the 50 most-recorded species in Pennsylvania. The most frequently seen is the garlic mustard, with 16,160 recorded sightings.
Most-observed plants in Pennsylvania
garlic mustard
Alliaria petiolata
16,160 observations
mayapple
Podophyllum peltatum
14,142 observations
multiflora rose
Rosa multiflora
12,183 observations
American pokeweed
Phytolacca americana
12,144 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
11,746 observations
common milkweed
Asclepias syriaca
11,681 observations
dame's rocket
Hesperis matronalis
11,275 observations · iNaturalist
ground-ivy
Glechoma hederacea
10,739 observations · iNaturalist
sensitive fern
Onoclea sensibilis
10,601 observations
common mugwort
Artemisia vulgaris
10,465 observations · iNaturalist
Christmas fern
Polystichum acrostichoides
10,374 observations
Virginia Springbeauty
Claytonia virginica
9,815 observations
American tuliptree
Liriodendron tulipifera
9,739 observations
white snakeroot
Ageratina altissima
9,701 observations
lesser celandine
Ficaria verna
9,532 observations · iNaturalist
eastern poison ivy
Toxicodendron radicans
9,388 observations
common jewelweed
Impatiens capensis
8,813 observations
eastern white pine
Pinus strobus
8,616 observations
American beech
Fagus grandifolia
8,577 observations
wineberry
Rubus phoenicolasius
8,471 observations
yellow trout lily
Erythronium americanum
8,425 observations
red deadnettle
Lamium purpureum
8,365 observations · iNaturalist
Ghost Pipe
Monotropa uniflora
8,287 observations
Japanese barberry
Berberis thunbergii
8,126 observations · iNaturalist
Amur honeysuckle
Lonicera maackii
7,957 observations
bloodroot
Sanguinaria canadensis
7,783 observations
eastern hemlock
Tsuga canadensis
7,645 observations
Jack-in-the-Pulpit
Arisaema triphyllum
7,446 observations
partridgeberry
Mitchella repens
7,379 observations
purple crownvetch
Securigera varia
7,365 observations · iNaturalist
great mullein
Verbascum thapsus
7,303 observations
wild carrot
Daucus carota
7,265 observations
box elder
Acer negundo
7,019 observations
northern spicebush
Lindera benzoin
6,913 observations
sassafras
Sassafras albidum
6,829 observations
autumn olive
Elaeagnus umbellata
6,774 observations
common selfheal
Prunella vulgaris
6,630 observations · iNaturalist
wild geranium
Geranium maculatum
6,619 observations
chicory
Cichorium intybus
6,550 observations
mountain laurel
Kalmia latifolia
6,546 observations
white clover
Trifolium repens
6,384 observations
mock strawberry
Potentilla indica
6,066 observations · iNaturalist
Carolina horsenettle
Solanum carolinense
5,840 observations
Canada mayflower
Maianthemum canadense
5,796 observations
Red Clover
Trifolium pratense
5,717 observations
staghorn sumac
Rhus typhina
5,689 observations
common yarrow
Achillea millefolium
5,660 observations
colt's-foot
Tussilago farfara
5,623 observations · iNaturalist
Asian bittersweet
Celastrus orbiculatus
5,542 observations
Japanese honeysuckle
Lonicera japonica
5,514 observations
Plants in nearby places
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