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 viscidus (L.) Roussel
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, at first ivory, then pale yellowish ochraceous, ochraceous grey, usually developing olivaceous tint with age, viscid. Stipe, cylindrical or clavate, almost concolorous with the cap, with more or less distinct ring Flesh whitish. Tubes greyish white. Pores medium sized, concolorous with the tubes. Smell not distinctive. Taste slightly acid. Spores 8–14 × 4–5 μm.
Habitat. Coniferous forests, sometimes artificial plantations, mycorrhizal with larch (Larix).
Distribution. In Europe seen within the natural range of larch and also where larches are introduced.
Photographs
Fruitbodies of Suillus viscidus. Note the colours overall and especially the colour of the pores. (photo M. Mikšík)
Fruitbodies of Suillus viscidus. (photo M. Mikšík)
Detail of the pores and the upper part of the stipe of Suillus viscidus. Note the colour of the pores, the ring and the network pattern on the stipe between the ring and the pores. (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.
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.