Synonyms
Oxytropis plattensis Nutt.
Oxytropis mixta Gand.
Oxytropis lambertii f. canadensis Gand.
Oxytropis lambertii f. mixta Gand.
Aragallus angustatus Rydb.
Aragallus plattensis (Nutt.) Rydb.
Aragallus aven-nelsonii Lunell
Oxytropis angustata (Rydb.) A.Nelson
Oxytropis falcata (Greene) A.Nelson
Oxytropis hookeriana Nutt.
Oxytropis aven-nelsonii (Lunell) A.Nelson
Oxytropis involuta (A.Nelson) K.Schum.
Astragalus lambertii Spreng.
Aragallus formosus Greene
Aragallus falcatus Greene
Oxytropis bushii Gand.
Aragallus involutus A.Nelson