Suillus aeruginascens (Secr.) Snell syn. Boletus viscidus L. ex Fr. Grauer Lärchenröhrling Cèpe visqueux. Cap 3–9cm, pallid, livid white or buff often flushed olivaceous buff or sometimes finally hazel, viscid and usually wrinkled. Stem 50–90 x 10–16mm, white to pale straw-colour flushed yellowish green with greyish net above the whitish to olivaceous buff ring, buff to ochraceous and viscid below. Flesh cream flushed olivaceous at base, becoming very slightly bluish-green on cutting particularly in the stem. Taste and smell not distinctive. Tubes more or less decurrent, dirty white tinged sulphur-yellow or buff, flushed vinaceous at maturity. Pores large, angular, similarly coloured bruising dirty greenish on handling. Spore print snuff-brown with vinaceous flush. Spores ellipsoid-subfusiform, 10–12 x 4–5.5um. Habitat with larch. Season late summer to late autumn. Rare. Edible but mediocre. Distribution, America and Europe.