Artemisia tridentata var. arbuscula (Nutt.) McMinn accepted as Artemisia arbuscula Nutt. (original description)
Artemisia tridentata var. bolanderi (A.Gray) McMinn accepted as Artemisia cana subsp. bolanderi (A.Gray) G.H.Ward (original description)
Artemisia tridentata var. nova (A.Nelson) McMinn accepted as Artemisia nova A.Nelson (original description)
Artemisia tridentata var. rothrockii (A.Gray) McMinn accepted as Artemisia rothrockii A.Gray (original description)
Artemisia tridentata var. trifida (Nutt.) McMinn accepted as Artemisia tripartita subsp. tripartita Rydb. (original description)
Haplopappus squarrosus var. obtusus (Greene) McMinn (original description)
Haplopappus squarrosus var. stenolepis (H.M.Hall) McMinn (original description)
Haplopappus suffruticosus var. tenuis (H.M.Hall) McMinn (original description)