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Counties in Pennsylvania

Species in Pennsylvania

Common Species in Pennsylvania

Showing 15 most frequently observed species out of 100 total documented species.

Lycorma delicatula

Lycorma delicatula

Spot Clothing Wax Cicada

Very Common848 obs.
Odocoileus virginianus

Odocoileus virginianus

Key Deer

Very Common828 obs.
Ailanthus altissima

Ailanthus altissima

Tree of heaven

Very Common817 obs.
Alliaria petiolata

Alliaria petiolata

garlic mustard

Very Common791 obs.
Turdus migratorius

Turdus migratorius

American Robin

Common716 obs.
Rosa multiflora

Rosa multiflora

Many-Flower Rose

Common637 obs.
Liriodendron tulipifera

Liriodendron tulipifera

Tulip Poplar

Common619 obs.
Podophyllum peltatum

Podophyllum peltatum

Mayapple

Common556 obs.
Branta canadensis

Branta canadensis

Canada goose

Occasional529 obs.
Bombus impatiens

Bombus impatiens

Common Eastern Bumblebee

Occasional518 obs.
Symplocarpus foetidus

Symplocarpus foetidus

Skunk Cabbage

Occasional516 obs.
Onoclea sensibilis

Onoclea sensibilis

Polypod Brake

Occasional513 obs.
Toxicodendron radicans

Toxicodendron radicans

poison ivy

Occasional483 obs.
Fagus grandifolia

Fagus grandifolia

American Beech

Rare480 obs.
Cardinalis cardinalis

Cardinalis cardinalis

Northern Cardinal

Rare477 obs.

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Found 67 distinct counties:

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