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1,555 species in Badlands National Park
Setophaga tigrina
Sideritis montana
Silvius pollinosus
Anoplius illinoensis
Sphecodes dichrous
Acarospora schleicheri
Steatoda triangulosa
Stenodynerus valliceps
Succinea grosvenorii
Sympetrum pallipes
Symphoricarpos albus
Symphyotrichum ericoides
Symphyotrichum falcatum
Tachysphex sonorensis
Tachysphex texanus
Tamarix ramosissima
Tetraneuris acaulis
Thalloidima sedifolium
Anoplius semirufus
Thelesperma megapotamicum
Toxicodendron radicans
Tribulus terrestris
Triepeolus concavus
Triodanis leptocarpa
Ulmus americana
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