1741 Valeriana capitata Link

This polymorphic, arctic-montane species occurs from N. Russia through Siberia to northwestern N. America. In Alaska and Yukon var. bracteosa (Britt.) Hult. is distinguished. In W. and SW. U.S.A. the following subspecies occur, viz. subsp. californica (Hell.) F. G. Mey., subsp. pubicarpa (Rydb.) F. G. Mey. and subsp. acutiloba (Rydb.) F. G. Mey.