Coptidium lapponicum (L.) Rydb., Fl. Rocky Mts.: 302. 1917 Coptidium lapponicum (L.) Rydb., Fl. Rocky Mts.: 302. 1917is new combination for Ranunculus lapponicus L., Sp. Pl.: 553. 1753Taxon for this nameCoptidium lapponicum (L.) Rydb., Fl. Rocky Mts.: 302. 1917