''Caloboletus conifericola'', commonly known as the dark bitter bolete,
is a species of
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 ...
in the family
Boletaceae
The Boletaceae are a family of mushroom-forming fungi, primarily characterised by small pores on the spore-bearing hymenial surface (at the underside of the mushroom), instead of gills as are found in most agarics. Nearly as widely distributed ...
. It is found in the Pacific Northwest.
Taxonomy
''Caloboletus conifericola'' was first described by Alfredo Vizzini in 2014.
Description
The cap of ''Caloboletus conifericola'' is grayish-brown to olive gray
and about 3-10 inches (7-25 cm) across.
The stipe is about 2-10 inches (5-15 cm) long and about 1-2 inches wide at the top. It starts out wider at the base, but more or less evens out as the mushroom grows older.
The pore surface is yellow, and the mushroom oxidizes blue when bruised.
Similar species
''Caloboletus conifericola'' can be confused with ''
Caloboletus calopus
''Caloboletus calopus'', commonly known as the bitter beech bolete or scarlet-stemmed bolete, is a fungus of the bolete family, found in Asia, Northern Europe and North America. Appearing in coniferous and deciduous woodland in summer and ...
'' and ''
Caloboletus frustuosus. Caloboletus calopus'' has a more reticulated stipe than ''C. conifericola'',
and ''C. frustulosus'' has a more cracked cap.
Habitat and ecology
''Caloboletus conifericola'' is found in moss and leaf litter under
conifer trees, especially
grand fir and
western hemlock
''Tsuga heterophylla'', the western hemlock or western hemlock-spruce, is a species of hemlock native to the west coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern Sonoma ...
.
It is found fruiting during early fall, soon after the rains come.
See also
*
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
{{Taxonbar, from=Q107535356
marshii
Fungus species
Inedible fungi
Fungi of North America
Fungi described in the 21st century