Current name: Xerocomellus pruinatus (Fr. & Hök) utara, Czech Mycol. 60 (1): 50 (2008) [MB#511898]
Basionym:
Boletus pruinatus Fr. & Hök, Boleti, fungorum generis, illustratio: 9 (1835) [MB#197229]
Obligate synonyms: - Boletellus pruinatus (Fr. & Hök) Klofac & Krisai, Österr. Z. Pilzk. 1: 43 (1992) [MB#357860]
- Xerocomus pruinatus (Fr. & Hök) Quél., Flore mycologique de la France et des pays limitrophes: 420 (1888) [MB#439250]
- Versipellis pruinata (Fr. & Hök) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 158 (1886) [MB#802841]
- Versipellis pruinata (Fr. & Hök) Quél.: 158 (1886) [MB#580040]
- Versipellis pruinata var. pruinata (Fr. & Hök) Quél.: 158 (1886) [MB#580459]
- Suillus pruinatus (Fr. & Hök) Kuntze, Revisio generum plantarum 3 (3): 536 (1898) [MB#586268]
Taxonomic synonyms: - Boletus nigriceps Herter, Revista Sudamericana Botanica: 194 (1954) [MB#293751]
- Boletus fragilipes C. Martín, Trav. Soc. Bot. Genčve: 189 (1894) [MB#235233]
- Suillus fragilipes (C. Martín) Kuntze: 535 (1898) [MB#586199]