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4,927 species in Cuyahoga Valley National Park
Eutrochium fistulosum
Galium aparine
Platycryptus undatus
Sagittaria latifolia
Viburnum plicatum
Trillium erectum
Amphicarpaea bracteata
Carya cordiformis
Hackelia virginiana
Carex lurida
Collinsonia canadensis
Conium maculatum
Dipsacus laciniatus
Gaultheria procumbens
Myriophyllum spicatum
Oporornis agilis
Ratibida pinnata
Sabatia angularis
Stereum complicatum
Argia tibialis
Campaea perlata
Trichaptum biforme
Xenox tigrinus
Anser rossii
Athyrium angustum
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