Basionym:
Boletus aurantiacus Bull., Herbier de la France 5 (49-60): pl. 236 (1785) [MB#452868]
Obligate synonyms:
- Krombholziella aurantiaca (Bull.) Maire, Publicacions del Instituto Botánico Barcelona 3 (4): 46 (1937) [MB#257841]
- Boletus scaber var. aurantiacus (Bull.) Opat., Commentatio historico-naturalis de familia fungorum Boletoideorum: 34 (1836) [MB#116551]
- Trachypus aurantiacus (Bull.) Romagn., Rev. Mycol. (Paris): 141 (1939) [MB#250879]
- Boletus versipellis var. aurantiacus (Bull.) Vassilkov, Edible and poisonous fungi of the medium belt of the European part of the USSR: 38 (1948) [MB#346584]
- Krombholzia aurantiaca (Roques ex Bull.) E.J. Gilbert, Les Livres du Mycologue Tome I-IV, Tom. III: Les Bolets: 182 (1931) [MB#257839]
Taxonomic synonyms:
- Leccinum populinum M. Korhonen, Karstenia 35 (2): 55 (1995) [MB#413354]
- Leccinum salicola Watling, Notes R. bot. Gdn Edinb. (1971) [MB#373215]
- Krombholziella salicola (Watling) Šutara, Ceská Mykologie 36 (2): 82 (1982) [MB#438531]
- Boletus salicola (Watling) Hlavácek, Mykologický Sborník 65 (3): 83 (1988) [MB#135005]
- Boletus rufus Schaeff., Fungorum qui in Bavaria et Palatinatu circa Ratisbonam nascuntur Icones 2: tab. 103 (1763) [MB#466627]
- Leccinum salicicola Watling, Notes from the Royal Botanical Garden Edinburgh 31: 139 (1971) [MB#586484]
- Solenia rufa Schaeff. ex Kuntze, Revisio generum plantarum 3 (3): 522 (1898) [MB#629613]