The orchid Phragmipedium Wössner Grandurgan is a hybrid registered with the Royal Horticultural Society by O.Gruss in 2013. It is originated by F.Glanz
Top three species ancestors and their influences are

• Phragmipedium longifolium (50.00%)  section: Lorifolia 
• Phragmipedium humboldtii (25.00%)  section: Phragmipedium 
• Phragmipedium lindleyanum (25.00%)  section: Platypetalum