New locality of Cypripedium guttatum Sw. forma albiflorum Aver. (Orchidaceae) in Siberia
In 2015, the population of Cypripedium guttatum Sw. forma albiflorum Aver. was discovered in the Khangalassky ulus of Sakha Republic (Yakutia). The form was not recorded earlier in the region. Some data on the variability of the flower parts as well as the population structure are given.