Plants of Pennsylvania
The plants most often spotted in Pennsylvania, ranked by recent research-grade observations.
433,316
recent observations
50
species listed
50
plants
Naturalists have logged 433,316 research-grade observations across the 50 most-recorded species in Pennsylvania. The most frequently seen is the garlic mustard, with 16,225 recorded sightings.
Most-observed plants in Pennsylvania
garlic mustard
Alliaria petiolata
16,225 observations
mayapple
Podophyllum peltatum
14,216 observations
American pokeweed
Phytolacca americana
12,949 observations
common milkweed
Asclepias syriaca
12,373 observations
multiflora rose
Rosa multiflora
12,302 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
11,881 observations
white snakeroot
Ageratina altissima
11,696 observations
dame's rocket
Hesperis matronalis
11,352 observations · iNaturalist
sensitive fern
Onoclea sensibilis
10,919 observations
common mugwort
Artemisia vulgaris
10,910 observations · iNaturalist
ground-ivy
Glechoma hederacea
10,878 observations · iNaturalist
Christmas fern
Polystichum acrostichoides
10,666 observations
American tuliptree
Liriodendron tulipifera
10,005 observations
Virginia Springbeauty
Claytonia virginica
9,826 observations
common jewelweed
Impatiens capensis
9,822 observations
eastern poison ivy
Toxicodendron radicans
9,600 observations
lesser celandine
Ficaria verna
9,546 observations · iNaturalist
eastern white pine
Pinus strobus
8,839 observations
American beech
Fagus grandifolia
8,787 observations
wineberry
Rubus phoenicolasius
8,661 observations
Ghost Pipe
Monotropa uniflora
8,616 observations
yellow trout lily
Erythronium americanum
8,442 observations
red deadnettle
Lamium purpureum
8,376 observations · iNaturalist
Japanese barberry
Berberis thunbergii
8,270 observations · iNaturalist
Amur honeysuckle
Lonicera maackii
8,137 observations
bloodroot
Sanguinaria canadensis
7,855 observations
eastern hemlock
Tsuga canadensis
7,779 observations
wild carrot
Daucus carota
7,665 observations
partridgeberry
Mitchella repens
7,657 observations
Jack-in-the-Pulpit
Arisaema triphyllum
7,591 observations
purple crownvetch
Securigera varia
7,565 observations · iNaturalist
great mullein
Verbascum thapsus
7,448 observations
autumn olive
Elaeagnus umbellata
7,377 observations
northern spicebush
Lindera benzoin
7,369 observations
box elder
Acer negundo
7,147 observations
sassafras
Sassafras albidum
7,074 observations
chicory
Cichorium intybus
6,906 observations
common selfheal
Prunella vulgaris
6,887 observations · iNaturalist
wild geranium
Geranium maculatum
6,682 observations
white clover
Trifolium repens
6,671 observations
mountain laurel
Kalmia latifolia
6,620 observations
mock strawberry
Potentilla indica
6,265 observations · iNaturalist
creeping thistle
Cirsium arvense
6,235 observations
Carolina horsenettle
Solanum carolinense
6,138 observations
American burnweed
Erechtites hieraciifolius
5,920 observations · iNaturalist
Red Clover
Trifolium pratense
5,918 observations
Canada mayflower
Maianthemum canadense
5,889 observations
staghorn sumac
Rhus typhina
5,820 observations
American jumpseed
Persicaria virginiana
5,773 observations · iNaturalist
hemp dogbane
Apocynum cannabinum
5,771 observations
Plants in nearby places
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