The orchid Phragmipedium Umbriel is a hybrid registered with the Royal Horticultural Society by Sanders[St Albans] in 1881.
Top three species ancestors and their influences are

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