Green Quilt Russula Russula crustosa Peck  

Status:

Found solitary or in small groups on ground in deciduous forests, primarily oak.

Description:

Cap: Variable with shades of gray, yellow, and green often with orange areas; cracked, blocky pattern; convex when young, becoming flat, edges uplifted in age. Gills: White becoming yellowish in age, close. Stalk: Yellowish-white, smooth, longitudinal wrinkles. (J. Solem, pers. comm.)

MushroomExpert.com summarizes this species group's taxonomy as follows: "Russula virescens, it turns out, is strictly a European species; in North America 'the virescens-crustosa group is much more complex than suspected and embraces at least a dozen taxa in the eastern US' (Buyck & collaborators, 2006). Most of these DNA-defined species have yet to be published, but Russula parvovirescens, with its blue-green colors and very large patches, is one that can be fairly easily recognized without a sequencing laboratory. As for the rest, we have no choice but to call them Russula virescens and Russula crustosa for now, while we await further publications."

There are 22 records in the project database.

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Green Quilt Russula (fruiting body) in Howard Co., Maryland (8/27/2015). Photo by Joanne Solem. (MBP list)

Green Quilt Russula (top of cap) in Howard Co., Maryland (8/27/2015). Photo by Joanne Solem. (MBP list)

Green Quilt Russula (gills and stalk) in Howard Co., Maryland (8/27/2015). Photo by Joanne Solem. (MBP list)

Spores collected from a Green Quilt Russula specimen in Howard Co., Maryland (8/27/2015). Nearly round, warted; measured 5.2-5.7 X 4.8-5.3 microns. Photo by Robert Solem. (MBP list)


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