Suillus Adans.
A number of species are known in Europe. Fruitbody boletoid without or with partial veil, and then leaving a ring on the stipe. Cap in most species more or less viscid. Stipe solid.
Suillus tridentinus (Bres.) Singer
Description
Fruitbody with partial veil, leaving more or less visible ring on the stipe. Cap up to 10 cm, at first hemispherical then expanding to convex, yellowish orange, orange-yellow, orange to brownish orange, viscid, towards the cap margin with numerous darker scales. Stipe, cylindrical or clavate, almost concolorous with the cap, with more or less distinct ring Flesh pale orange or yellowish orange in the stipe, paler in the cap. Tubes orange yellow to orange. Pores medium sized, orange yellow to orange with rusty or brownish tint. Smell not distinctive. Taste slightly acid. Spores 9.5–13.5 × 4–5 μm.
Habitat. Coniferous forests, sometimes artificial plantations, mycorrhizal with larch (Larix).
Distribution. In Europe spread within the natural range of larch and also seen where larches are introduced.
Photographs
Fruitbodies of Suillus tridentinus. (photo M. Mikšík)
Fruitbodies of Suillus tridentinus. (photo M. Mikšík)
Rich collection of Suillus tridentinus. Note the colours of the pores and the flesh. (photo M. Mikšík)
Fruitbodies of Suillus tridentinus. (photo M. Mikšík)
Important literature
Alessio, C.L. 1985. Boletus Dill. ex L. (sensu lato). – In: Fungi Europaei. Vol. 2. Pp. 1–705. Libreria editrice Biella Giovanna, Saronno.
Breitenbach J. & Kränzlin F. 1991. Pilze der Schweiz. Bd. 3(1). Röhrlinge und Blätterpilze. Verlag Mykologia, Luzern.
Engel, H., Dermek, A., Klofac, W., Ludwig, E. & Brückner, T. 1996. Schmier – und Filzröhrlinge s. l. in Europa. Die Gattungen Boletellus, Boletinus, Phylloporus, Suillus, Xerocomus. Verlag Heinz Engel, Weidhausen b. Coburg.
Estadès, A. & Lannoy, G. 2004. Les bolets européens. – Bulletin Mycologique et Botanique Dauphiné-Savoie 44(3): 3–79.
Galli, R. 1998. I Boleti. Atlante pratico-monographico per la determinazione dei boleti. Edinatura, Milano.
Gerhold, H. 1985. The section Larigni of the genus Suillus and the subgenus Laricogomphus of the genus Gomphidius (Basidiomycetes: Boletales). – Berichte des Naturwissenschaftlich Medizinischen Vereins in Innsbruck 72: 53-64.
Knudsen, H. & Vesterholt, J. [eds.]. 2008. Funga Nordica. Nordsvamp, Kopenhagen.
Lannoy, G. & Estadès, A. 2001. Les Bolets. Flore mycologique d’Europe. Documents Mycologiques Mémoire Hors série no. 6. Pp. 1–163. Association d’Écologie et de Mycologie, Lille.
Muñoz, J.A. 2005. Boletus s. l. – In: Fungi Europaei. Vol. 1. Pp. 1–951. Edizioni Candusso, Alassio.
Šutara, J., Mikšík, M. & Janda, V. 2009. Hřibovité houby. Čeled’ Boletaceae a rody Gyrodon, Gyroporus, Boletinus a Suillus. Academia, Praha.