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Webcaps
Cortinarius
Cortinarius is a globally distributed genus of fungus in the family Cortinariaceae. Its members are commonly known by the names cortinar and webcap. It is suspected to be the largest genus of agarics, containing over 2,700 widespread species.
Young specimens have a cortina (veil) between the cap and the stem, hence the name. Most of the fibres of the cortina are ephemeral and leave no more than limited remnants on the stem or cap edge. All species have a rusty brown spore print. Several species (such as C. orellanus) are highly toxic and many species are difficult to distinguish, making their consumption inadvisable.
60 branches of this genus, most-observed first
Cortinarius subg. Telamonia
subgenusTelamonia
Cortinarius sect. Delibuti
sectionDelibuti
Dermocybe
subgenusDermocybe
Cortinarius
subgenusCortinarius
Myxacium
subgenusMyxacium
Cortinarius subgen. Paramyxacium
subgenusParamyxacium
Cortinarius sect. Archeriani
sectionArcheriani
Leprocybe
subgenusLeprocybe
Cortinarius sect. Walkeri
sectionWalkeri
Cortinarius sect. Anomali
sectionAnomali
Iodolentes
subgenusIodolentes
Cortinarius sect. Dulciolentes
sectionDulciolentes
Cortinarius distans
speciesCortinarius distans
Cortinarius sect. Sinapicolores
sectionSinapicolores
Cortinarius sect. Bolares
sectionBolares
Camphorati
subgenusCamphorati
Cortinarius subgen. Orellani
subgenusOrellani
Infracti
subgenusInfracti
Slimy-Girdled Cort
speciesCortinarius glutinosoarmillatus
Cortinarius abnormis
speciesCortinarius abnormis
Yellow Skinhead
speciesCortinarius canarius
Cortinarius sect. Laeti
sectionLaeti
Cortinarius phalarus
speciesCortinarius phalarus
Cortinarius lebre
speciesCortinarius lebre
Cortinarius sect. Subtorti
sectionSubtorti
Cortinarius californicus
speciesCortinarius californicus
Cortinarius chrysopocos
speciesCortinarius chrysopocos
Cortinarius sect. Spilomei
sectionSpilomei
Cortinarius quercoarmillatus
speciesCortinarius quercoarmillatus
Cortinarius cardinalis
speciesCortinarius cardinalis
Cotton-capped Cort
speciesCortinarius regalis
Cortinarius sect. Cycnei
sectionCycnei
Cortinarius contulmensis
speciesCortinarius contulmensis
Cortinarius austroviolaceus
speciesCortinarius austroviolaceus
Cortinarius austrocinnabarinus
speciesCortinarius austrocinnabarinus
Cortinarius ingratiolens
speciesCortinarius ingratiolens
Illumini
subgenusIllumini
Cortinarius erythraeus
speciesCortinarius erythraeus
Cortinarius alboroseus
speciesCortinarius alboroseus
Cortinarius austroevernius
speciesCortinarius austroevernius
Cortinarius squamulosus
speciesCortinarius squamulosus
Cortinarius ursus
speciesCortinarius ursus
Cortinarius alienatus
speciesCortinarius alienatus
Cortinarius sect. Majestatici
sectionMajestatici
Cortinarius sublargus
speciesCortinarius sublargus
Cortinarius violaceovolvatus
speciesCortinarius violaceovolvatus
Cortinarius ochraceofulvus
speciesCortinarius ochraceofulvus
Cortinarius cartilagineus
speciesCortinarius cartilagineus
Cortinarius sp. 'learius'
speciesCortinarius sp. 'learius'
Cortinarius vinicolor
speciesCortinarius vinicolor
Cortinarius athabascus
speciesCortinarius athabascus
Cortinarius argenteopileatus
speciesCortinarius argenteopileatus
Cortinarius sect. Entheosus
sectionEntheosi
Cortinarius cylindripes
speciesCortinarius cylindripes
Cortinarius firmus
speciesCortinarius firmus
Cortinarius polymorphus
speciesCortinarius polymorphus
Cortinarius roseolilacinus
speciesCortinarius roseolilacinus
Cortinarius sp. 'IN37'
speciesCortinarius sp. 'IN37'
Cortinarius sect. Ignelli
sectionIgnelli
Cortinarius saturniorum
speciesCortinarius saturniorum
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries
In the stacks
Searching the stacks…
Every page naming Cortinarius in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 48704.