This herbarium specimen was collected by Fleroff during his extensive trips across Vladimir Governorate in 1900 undertaken for his Master's Thesis "Flora des Gouvernements Wladimir". Cephalanthera rubra (L.) Rich. was discovered in pinewoods on calcareous ground near Kovrov.    
  Part of: Seregin AP, Basov YM (2021) Fleroff goes digital: georeferenced records from "Flora des Gouvernements Wladimir" (Fleroff, 1902). Biodiversity Data Journal 9: e75299. https://doi.org/10.3897/BDJ.9.e75299