Grandparent group: Suillus granulatus group sensu Nguyen et al.
Parent clade: Suillus salmonicolor clade sensu Nguyen et al.
Strong possibility that S. salmonicolor is conspecific with this name.1
1 Nhu H. Nguyen, Else C. Vellinga, Thomas D. Bruns & Peter G. Kennedy (2016). Phylogenetic assessment of global Suillus ITS sequences supports morphologically defined species and reveals synonymous and undescribed taxa, Mycologia 108(6): 1216-1228 (also available via ResearchGate)