Further. In Braem's book he lists the synonyms for what he calls Phrag. popowii, some a really old and refer to the species as a Cypripedium, Paphiopedilum, and Selenipedium. ignoring those, here are the Phrag synonyms
P. exstaminodium ssd warscewiczii Drewssler 2005; P. humboldtii Atwood &...