''Boletus coniferarum'', the conifer bolete, is a
mushroom
A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans.
The standard for the name "mushroom" is ...
of the genus ''
Boletus
''Boletus'' is a genus of mushroom-producing fungi, comprising over 100 species. The genus ''Boletus'' was originally broadly defined and described by Carl Linnaeus in 1753, essentially containing all fungi with hymenial pores instead of gil ...
'' native to North America. The species is inedible
due to its extremely bitter taste.
The semi-velvety cap is grayish and the yellow tubes stain dark blue.
The stipe is yellowish, darkening in age, and sometimes larger near the base.
The flesh is buff and stains blue.
''
Boletus frustosus
''Caloboletus frustosus'' is a bolete fungus native to North America. Until 2014, it was known as ''Boletus frustosus''. Recent changes in the phylogenetic framework of the family Boletaceae prompted the transfer of this species, along with sever ...
'' is similar, but has reddish hues at the bottom of the stipe,
as does ''
Cyanoboletus pulverulentus
''Cyanoboletus pulverulentus'', commonly known as the ink stain bolete, is an edible bolete mushroom. It is found in deciduous and mixed forests, particularly on moist soil on slopes and under beech and oak trees. A common species, it is found in ...
'', which stains a greener hue than ''B. coniferarum'' and tastes mild.
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 ...
References
External links
*
coniferarum
Fungi described in 1949
Fungi of North America
Inedible fungi
Fungus species
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