Claytonia megarhiza (A. Gray) Parry ex S. Watson
Publication: Smithsonian Misc. Collect. 258: 118. 1878 (as megarrhiza). 1878.
Claytonia arctica Adams var. megarhiza A. Gray
Claytonia megarhiza (A. Gray) Parry ex S. Watson var. bellidifolia (Rydb.) C.L. Hitchc. [HC]
Claytonia megarhiza (A. Gray) Parry ex S. Watson var. megarhiza [HC]
Claytonia megarhiza (A. Gray) Parry ex S. Watson var. nivalis (English) C.L. Hitchc. [HC]