Agaricus appendicularis Bull. (1789) is a synonym of Psathyrella candoleana. The mushroom in Sowerby's illustration has a transient ring, which is not normal for this species, but possible - see the Mushroom Expert entry by M. Kuo (2002), where it is regarded as a species cluster.
Public domainPublic domainfalsefalse
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.