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''Pseudoboletus parasiticus'', previously known as ''Boletus parasiticus'' and ''Xerocomus parasiticus'', and commonly known as the parasitic bolete, is a rare
''Pseudoboletus parasiticus'', previously known as ''Boletus parasiticus'' and ''Xerocomus parasiticus'', and commonly known as the parasitic bolete, is a rare bolete
A bolete is a type of mushroom, or fungal fruiting body. It can be identified thanks to a unique cap. On the underside of the cap there is usually a spongy surface with pores, instead of the gills typical of mushrooms. A similar pore surface i ...
mushroom found on ''Scleroderma citrinum
''Scleroderma citrinum'', commonly known as the common earthball, pigskin poison puffball, or common earth ball, is a species of earthball fungus found in Europe and in North America. It is the most common species of Scleroderma (genus), earthba ...
'' earthballs in North America.
Taxonomy
''Pseudoboletus parasiticus'' is one of the earliest-diverging lineages of theBoletaceae
The Boletaceae are a Family (biology), family of mushroom-forming fungi, primarily characterised by small pores on the spore-bearing hymenium, hymenial surface (at the underside of the mushroom), instead of Lamella (mycology), gills as are found ...
, after the clade
In biology, a clade (), also known as a Monophyly, monophyletic group or natural group, is a group of organisms that is composed of a common ancestor and all of its descendants. Clades are the fundamental unit of cladistics, a modern approach t ...
comprising ''Chalciporus
''Chalciporus'' is a genus of fungi in the family Boletaceae (suborder (biology), suborder Boletineae). There are approximately 25 species in the genus.
French mycologist Frédéric Bataille erected the genus in 1908, though it did not gain gener ...
'' and '' Buchwaldoboletus''.
Description
The cap is hemispherical when young, later flat, yellowish brown or darker and up to wide. The yellow stem is tall and thick. The flesh is pale yellow and thespore print
300px, Making a spore print of the mushroom ''Volvariella volvacea'' shown in composite: (photo lower half) mushroom cap laid on white and dark paper; (photo upper half) cap removed after 24 hours showing warm orange ("tussock") color spore print. ...
is olive brown.
Habitat and distribution
It can be found found growing on ''Scleroderma citrinum
''Scleroderma citrinum'', commonly known as the common earthball, pigskin poison puffball, or common earth ball, is a species of earthball fungus found in Europe and in North America. It is the most common species of Scleroderma (genus), earthba ...
'' earthballs in eastern North America from July to September.
Edibility
While edible, it is not recommended to do so, due to concerns about being poisoned by its host, which is poisonous.See also
* List of ''Boletus'' species *List of North American boletes __NOTOC__
This is a list of bolete species found in North America.
Bolding of the species name, and an asterisk (*) following indicate the species is the type species of that genus.
''Aureoboletus''
*''Aureoboletus auriporus''
*''Aureoboletus ge ...
References
Further reading
* E. Garnweidner. ''Mushrooms and Toadstools of Britain and Europe''. Collins. 1994. parasiticus parasiticus Edible fungi Fungi of Europe Fungus species Taxa named by Jean Baptiste François Pierre Bulliard {{Boletales-stub