The orchid Phragmipedium Nitidissimum is a hybrid in the Phragmipedium genus. registered with the Royal Horticultural Society by N.C.Cookson in 1888. Registered parents are Phragmipedium humboldtii × Phragmipedium Conchiferum. The key influencing species of this hybrid are No items in the list. listed in order of their genetic contribution.