There were 8 illustrations found for epithet percivalianus,-a,-um
 
347202 213647 Cattleya percivaliana (Rchb.f.) O’Brien [80 213505 Cattleya labiata var. percivaliana Rchb.f.] T. Sheehan, M. , Ill. Survey Orch. Gen. (x): p. 99 (1994) [M Sheehan]