Section of Siberia and Far East
Cypripedium calceolus L.
Kengha (at Khanka Lake, 1859), leg. R.Maack
Russia (Far East) [Asia]
In the label of the herbarium specimen, apparently only the locality of the collection is written by hand of R.C.Maack; the determination is written by E.L.Regel, and the translation into Russian by V.L.Komarov.
Raenko L.M., 2005