Synonyms
Lactuca tatarica var. heterophylla (Nutt.) B.Boivin
Mulgedium pulchellum G.Don
Lactuca oblongifolia Nutt.
Lactuca pulchella var. heterophylla Farw.
Lactuca tatarica var. pulchella (Pursh) Breitung
Lactuca tatarica subsp. pulchella (Pursh) Stebbins
Mulgedium heterophyllum Nutt.
Sonchus pulchellus Pursh
Mulgedium oblongifolium (Nutt.) Reveal
Agathyrsus pulchellus D.Don