the "real" Paph. superbiens
Paph. gratrixianum vs Paph. christensonianum
New: Paphiopedilum x mittrachianum
Paph. kolopakingii vs Paph. platyphyllum
Paph. kolopakingii vs Paph. topperi
New: Paphiopedilum gratrixianum forma gralherianum
a dark variant of Paph. villosum?
