Leccinum aurantiacum (Fr.) Gray syn. Boletus aurantiacus Espen-Rotkappe Bolet orangé. Cap 8–16cm across, orange to apricot, brown, smooth or slightly downy-fibrillose, cuticle overhanging tubes as an irregular skirt up to 3mm deep. Stem 80–140 x 18–48mm, initially covered in white scales which gradually turn rusty then dark brown. Flesh cream turning vinaceous in cap and stem base and sepia elsewhere. Taste and smell pleasant. Tubes white, vinaceous on exposure to air. Pores very small, white or cream bruising vinaceous. Spore print ochraceous buff. Spores subfusiform, 14–16.5 x 4–5um. Habitat with aspens. Season late summer to autumn. Rare. Edible. Distribution, America and Europe.