Plants of Pennsylvania
The plants most often spotted in Pennsylvania, ranked by recent research-grade observations.
423,034
recent observations
50
species listed
50
plants
Naturalists have logged 423,034 research-grade observations across the 50 most-recorded species in Pennsylvania. The most frequently seen is the garlic mustard, with 16,172 recorded sightings.
Most-observed plants in Pennsylvania
garlic mustard
Alliaria petiolata
16,172 observations
mayapple
Podophyllum peltatum
14,184 observations
American pokeweed
Phytolacca americana
12,399 observations
multiflora rose
Rosa multiflora
12,210 observations
common milkweed
Asclepias syriaca
11,856 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
11,789 observations
dame's rocket
Hesperis matronalis
11,295 observations · iNaturalist
ground-ivy
Glechoma hederacea
10,789 observations · iNaturalist
sensitive fern
Onoclea sensibilis
10,710 observations
common mugwort
Artemisia vulgaris
10,531 observations · iNaturalist
Christmas fern
Polystichum acrostichoides
10,454 observations
white snakeroot
Ageratina altissima
9,860 observations
American tuliptree
Liriodendron tulipifera
9,846 observations
Virginia Springbeauty
Claytonia virginica
9,824 observations
lesser celandine
Ficaria verna
9,538 observations · iNaturalist
eastern poison ivy
Toxicodendron radicans
9,477 observations
common jewelweed
Impatiens capensis
9,215 observations
eastern white pine
Pinus strobus
8,672 observations
American beech
Fagus grandifolia
8,607 observations
wineberry
Rubus phoenicolasius
8,512 observations
Ghost Pipe
Monotropa uniflora
8,470 observations
yellow trout lily
Erythronium americanum
8,434 observations
red deadnettle
Lamium purpureum
8,370 observations · iNaturalist
Japanese barberry
Berberis thunbergii
8,158 observations · iNaturalist
Amur honeysuckle
Lonicera maackii
8,010 observations
bloodroot
Sanguinaria canadensis
7,805 observations
eastern hemlock
Tsuga canadensis
7,684 observations
wild carrot
Daucus carota
7,497 observations
Jack-in-the-Pulpit
Arisaema triphyllum
7,477 observations
partridgeberry
Mitchella repens
7,474 observations
purple crownvetch
Securigera varia
7,448 observations · iNaturalist
great mullein
Verbascum thapsus
7,365 observations
box elder
Acer negundo
7,061 observations
northern spicebush
Lindera benzoin
7,027 observations
sassafras
Sassafras albidum
6,925 observations
autumn olive
Elaeagnus umbellata
6,856 observations
common selfheal
Prunella vulgaris
6,748 observations · iNaturalist
chicory
Cichorium intybus
6,679 observations
wild geranium
Geranium maculatum
6,646 observations
mountain laurel
Kalmia latifolia
6,583 observations
white clover
Trifolium repens
6,485 observations
mock strawberry
Potentilla indica
6,082 observations · iNaturalist
Carolina horsenettle
Solanum carolinense
5,955 observations
Canada mayflower
Maianthemum canadense
5,839 observations
Red Clover
Trifolium pratense
5,774 observations
staghorn sumac
Rhus typhina
5,737 observations
common yarrow
Achillea millefolium
5,700 observations
colt's-foot
Tussilago farfara
5,672 observations · iNaturalist
Asian bittersweet
Celastrus orbiculatus
5,570 observations
American jumpseed
Persicaria virginiana
5,563 observations · iNaturalist
Plants in nearby places
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