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6,550 species in Shenandoah National Park
Itea virginica
Japananus hyalinus
Judolia cordifera
Juncus dudleyi
Lacon discoideus
Lasioglossum imitatum
Lasioglossum pectorale
Lasioglossum quebecense
Lasioglossum trigeminum
Lasius nearcticus
Lecania croatica
Lecanora nothocaesiella
Leersia oryzoides
Leiothlypis celata
Leotia viscosa
Lepidocyrtus paradoxus
Lepidophorus setiger
Lepra amara
Lepraria caesiella
Lepraria harrisiana
Leprocaulon adhaerens
Lestes inaequalis
Lestes vigilax
Leucochrysa insularis
Leucocoprinus fragilissimus
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