No Common Name Suillus granulatus (L.) Roussel    Synonyms: Suillus lactifluus.
Kingdom Fungi   >   Phylum Basidiomycota   >   Class Agaricomycetes   >   Order Boletales   >   Family Suillaceae   >   Genus Suillus   

Status:

Found solitary or in groups under white pines.

Description:

Cap: Tan-brown, becoming red-brown in age; broadly convex to flat; viscid; margin with narrow band of sterile tissue; flesh white. Pores: Pale yellow when young, darker in age; bruise brownish in mature specimens; beads of milk-like latex often present in young specimens; angular. Stalk: Shades of yellow sometimes with reddish streaks; dry; nearly equal or enlarged down with narrowed base. Extended handling of these fruiting bodies stains hand dark brown (J. Solem, pers. comm.).

Relationships:

Mycorrhizal with pines.

There are 46 records in the project database.

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Suillus granulatus in Howard Co., Maryland (10/5/2012). Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (10/16/2008). Cap is sticky when fresh. Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (10/16/2008). Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (10/16/2008). Close-up of stalk to show glandular dots. Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (10/16/2008). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (10/16/2008). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (10/16/2008). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Suillus granulatus (fruiting bodies) in Howard Co., Maryland (9/28/2013). Verified by Lance Biechele. Photo by Joanne Solem. (MBP list)

Suillus granulatus in Howard Co., Maryland (9/28/2013). Young pores are shown on the left; mature pores on the right. Photo by Joanne Solem. (MBP list)

Suillus granulatus (pores exuding latex and stalk) in Howard Co., Maryland (9/28/2013). Photo by Joanne Solem. (MBP list)

Suillus granulatus growing in Montgomery Co., Maryland (9/26/2018). Determined by Jo Solem. Photo by Anne Looker. (MBP list)

Spores collected from a Suillus granulatus specimen in Howard Co., Maryland (9/28/2013). Ellipsoid, smooth; measured 7.6-8.7 X 3.4-3.7 7.6-8.7 X 3.4-3.7 nucribs, Photo by Robert Solem. (MBP list)

Spores collected from a Suillus granulatus specimen in Howard Co., Maryland (10/5/2012). Photo by Robert Solem. (MBP list)

Spores collected from a Suillus granulatus specimen in Howard Co., Maryland (10/16/2008). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)


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