Statistics for occurrence #1 of “Oklahoma Territory” in alphabetic letter S, entry group 12, entry state-flowers of Harper's Encyclopedia of United States History:

... MichiganApple Blossom MinnesotaLady Slipper MississippiMagnolia MontanaBitter Root NebraskaGolden Rod New Jersey, State treeSugar Maple New York, Rose; State treeMaple North DakotaWild Rose Oklahoma Territory Mistletoe OregonOregon Grape Rhode IslandViolet TexasGolden Rod UtahSego Lily Vermont Red Clover Washington Rhododendron In other States the scholars or State legislatures have not yet take...
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† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.