American Slippery Jack Suillus americanus (Peck) Snell  Synonyms: Chicken Fat Mushroom,  Chicken-fat Suillus.

Description:

Cap: Various shades of yellow with reddish patches; sticky / slimy when wet; broadly convex to flat; margin inrolled, often with bits of veil tissue; flesh yellow. Pores: Yellow, slowly stain red-brown, often decurrent; angular to elongated. Stalk: Yellow, usually speckled with reddish-brown dots; may bruise red-brown; usually no ring; coarse white hairs attach fruiting body to soil.

Relationships:

Solitary or groups under White Pine (obligate). (J. Solem, pers. comm.)

There are 17 records in the project database.

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An American Slippery Jack (fruiting body) in Howard Co., Maryland (9/3/2014). Photo by Joanne Solem. (MBP list)

An American Slippery Jack in Harford Co., Maryland (10/11/2014). Photo by Joshua Jones. (MBP list)

American Slippery Jack in XXX Co., Maryland (10/11/2014). Photo by Joshua Jones. (MBP list)

American Slippery Jack growing in Frederick Co., Maryland (9/29/2018). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

American Slipper Jack in Howard Co., Maryland (9/25/2011). Photo shows fertile surface and cap. Photo by Robert Solem. (MBP list)

American Slippery Jack in Harford Co., Maryland (10/11/2014). The group may indicate where a White Pine once existed. Photo by Joshua Jones. (MBP list)

Spores collected from an American Slippery Jack specimen in Howard Co., Maryland (9/3/2014). Semifusiform, smooth, pale brown; measured 8.3-9.5 X 3.3-3.7 microns. Photo by Robert Solem. (MBP list)


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