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4,501 species in Indiana Dunes National Park
Acalypha virginica
Sphaeridium scarabaeoides
Sphagnum affine
Sphagnum angustifolium
Sphagnum riparium
Sphagnum squarrosum
Stachys hispida
Stemonitis fusca
Stenotrema hirsutum
Stigmatomma pallipes
Strigoderma arbicola
Strobilomyces strobilaceus
Allium vineale
Tabanus quinquevittatus
Tanacetum vulgare
Temnothorax ambiguus
Temnothorax schaumii
Tigrosa helluo
Tipula abdominalis
Tortricidia testacea
Triplasis purpurea
Trogus pennator
Tropisternus lateralis
Tyromyces chioneus
Tyto furcata
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