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1,791 species in Theodore Roosevelt National Park
Maianthemum stellatum
Acer negundo
Anser albifrons
Asclepias viridiflora
Bouteloua curtipendula
Drassodes neglectus
Thomomys talpoides
Branta hutchinsii
Castilleja sessiliflora
Callilepis pluto
Astragalus laxmannii
Bucephala clangula
Opeia obscura
Schizachyrium scoparium
Alopecosa aculeata
Asclepias verticillata
Campanula petiolata
Gutierrezia sarothrae
Hesperia assiniboia
Parkesia noveboracensis
Phaeophyscia hirsuta
Setophaga palmarum
Toxicodendron rydbergii
Astragalus missouriensis
Anser caerulescens
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