"S.difficilis Mather Collection #2" *
"S.diprotricha parker"
"S.glandifolia#299" *
"S.glandiffolia#299" 
"S.House of Amani"
"S.ionantha"
"S.ionantha" *
"S,magungensis var.minima"
"S.orbicularis"
"S.orbicularis var. purpurea"
"S.robertson" *
"S.rupicola" 
"S.shumensis"
"S,tongwensis"