Salmaki, Yasaman; Zarre, Shahin; Ryding, Olof; Lindqvist, Charlotte; Scheunert, Agnes; Bräuchler, Christian; Heubl, Heubl (2012). "Phylogeny of the tribe Phlomideae (Lamioideae: Lamiaceae) with special focus on Eremostachys and Phlomoides: New insights from nuclear and chloroplast sequences". Taxon. 61 (1): 161–179. doi:10.1002/tax.611012. JSTOR23210322.
Salmaki, Yasaman; Zarre, Shahin; Ryding, Olof; Lindqvist, Charlotte; Scheunert, Agnes; Bräuchler, Christian; Heubl, Heubl (2012). "Phylogeny of the tribe Phlomideae (Lamioideae: Lamiaceae) with special focus on Eremostachys and Phlomoides: New insights from nuclear and chloroplast sequences". Taxon. 61 (1): 161–179. doi:10.1002/tax.611012. JSTOR23210322.