''Caloboletus firmus'' is a
bolete
{{refimprove, date=July 2020
A bolete is a type of mushroom, or fungal fruiting body. It can be identified thanks to a unique mushroom cap. The cap is clearly different from the stem. On the underside of the cap there is usually a spongy su ...
fungus native to North America. Until 2014, it was known as ''Boletus firmus''. Recent changes
in the
phylogenetic
In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...
framework of 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 ...
prompted the transfer of this species, along with several other related boletes, including ''
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 ...
'', to the genus ''
Caloboletus
''Caloboletus'' is a fungal genus in the family Boletaceae. It was circumscribed by Italian mycologist Alfredo Vizzini with ''Caloboletus calopus'' as the type species. The erection of ''Caloboletus'' follows recent molecular studies that outlin ...
''.
It was first
described scientifically in 1874 by American botanist
Charles Christopher Frost
Charles Christopher Frost (November 11, 1805 – March 16, 1880) was an American mycologist. He described several species of fungi from the New England area of the United States. In one paper, Frost described 22 new species of boletes, and he wa ...
from specimens collected in
New England
New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian province ...
.
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
External links
*
firmus
According to the ''Historia Augusta'', Firmus (died 273) was a usurper during the reign of Aurelian. The contradictory accounts of his life and the man himself are considered to be a complete fabrication, perhaps based on the later Firmus.
Hi ...
Fungi described in 1874
Fungi of North America
Fungus species
{{Boletales-stub