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4,927 species in Cuyahoga Valley National Park
Strobilops labyrinthicus
Strophitus undulatus
Suillus granulatus
Tegenaria domestica
Temnothorax curvispinosus
Thalictrum pubescens
Tharsalea hyllus
Thaspium trifoliatum
Tiarella cordifolia
Tipula sayi
Tmarus angulatus
Trachelipus rathkii
Trametes hirsuta
Trapelia placodioides
Tremella mesenterica
Trichaptum subchartaceum
Triodanis perfoliata
Tritoxa flexa
Ulmus pumila
Urola nivalis
Ursus americanus
Urtica dioica
Vallisneria americana
Vallonia pulchella
Vasates quadripedes
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