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4,849 species in Grand Canyon National Park
Androstephium breviflorum
Chylismia multijuga
Cordillacris crenulata
Drymocallis arizonica
Eleocharis rostellata
Elymus canadensis
Erynnis icelus
Eupeodes volucris
Euscirrhopterus gloveri
Frangula obovata
Gaillardia parryi
Galium triflorum
Gastrocopta pilsbryana
Helianthus annuus
Heriades timberlakei
Juncus interior
Lactuca serriola
Lewisia pygmaea
Machaeranthera tanacetifolia
Alyssum simplex
Mentzelia pterosperma
Myioborus pictus
Bouteloua aristidoides
Neotoma cinerea
Opuntia tortispina
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