Compositae Working Group (CWG) (2021). Global Compositae Database. Scorzonella pratensis Greene. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1188471 on 2025-03-26
LSID urn:lsid:compositae.org:names:02BBA1F0-45DE-4694-91FA-79C7410B4AE1 [details] Taxonomy 1887 publ. 1886 [details] Type material [USA, California] "at Yreka, in the northern part of the State". 21 Jun 1876, Greene 883 [details]