holopus is paler and whitish in all parts. See also List of Leccinum species List of North American boletes References Further reading Kallenbach: Die Röhrlinge (Boletaceae), Leipzig, Klinkhardt, (1940–42) Gerhardt, Ewald: Pilze. Band 2: Röhrlinge, Porlinge, Bauchpilze, Schlauchpilze und andere, (Spektrum der Natur BLV Intensiv), (1985) External links Pilzgalerie: Leccinum scabrum (Birkenpilz) scabrum Edible fungi Fungi described in 1783 Fungi of Europe Fungi of New Zealand Fungi of North America Taxa named by Jean Baptiste François Pierre Bulliard