BioImages: The Virtual Field-Guide (UK)

Cortinarius (Pers.) Gray, 1821 (webcap toadstools)

Further Information

Characters to note in the field Colour of young gills - cut the cap in half. (The gills always turn brown as the spores ripen so must be a young cap.)
Colour of veil on young fruitbodies. (This often disappears and always gets stained rusty by the spores, so again, must be a young fruitbody.)
Presence of blue tinges on young gills, stipe apex or flesh - cut in half (again, use a young fruitbody as the blue often fades).

If there is no fresh young cap to cut in half, unless it's one of the distinctive species - forget it!

Sets of Photographs

These relate to individual finds ("biological records") of the organism.

Taxon Summary # images # photos # microphotos # notes Date Vice-county Country
Cortinarius Fruitbody 17 13 4 8 Oct 2013 Dorset England
Cortinarius Fruitbody 10 7 3 8 Oct 1987 North Wiltshire England
Cortinarius Fruitbody 3 3 2 Oct 2004 West Cornwall England


Rank Taxon #subtaxa #photos #macrophotos #microphotos #notes #refs
Subgenus Cortinarius (sg) (a group of webcaps) 2 20   10   3
Species Cortinarius acutus sensu Favre. (Pers.) Fr. (a webcap)           1
Species Cortinarius adalbertii J. Favre ex M.M. Moser, 1948 (a webcap)           1
Species Cortinarius aff. malachius (a Cortinarius which is very similar to C. malachius)   5 16 6    
Species Cortinarius argutus Fr., 1838 (a webcap)           2
Species Cortinarius atrovirens Kalchbr., 1874 (Olive Webcap)           1
Species Cortinarius biformis Fr., 1838 (a webcap)           1
Species Cortinarius bulliardii (Pers.) Fr., 1838 (Hotfoot Webcap)           1
Species Cortinarius cedretorum Maire, 1914 (a webcap)           1
Species Cortinarius citrinus J.E. Lange ex P.D. Orton, 1960 (a webcap)           1
Species Cortinarius depressus Fr., 1838 (a webcap)           1
Species Cortinarius dibaphus Fr., 1838 (a webcap)           1
Species Cortinarius disjungendus P. Karst., 1893 (a webcap)   8     4  
Species Cortinarius evernius (Fr.) Fr., 1838 (a webcap)           1
Species Cortinarius fagetorum M.M. Moser, 1967           1
Species Cortinarius haematochelis (Bull.) Fr., 1838 (a fungus)           1
Species Cortinarius hoeftii (Weinm.) Fr., 1838 (a webcap)           1
Species Cortinarius holophaeus J.E. Lange, 1940 (a fungus)           1
Species Cortinarius ionophyllus M.M. Moser, 1968 (a webcap)           1
Species Cortinarius moenne-locozii Bidaud (a webcap)           1
Species Cortinarius mucosus (Bull.) Cooke, 1887 (Orange Webcap)           1
Species Cortinarius paragaudis Fr., 1838 (a webcap)           1
Species Cortinarius parvannulatus Kühner, 1955 (a webcap)   8     3  
Species Cortinarius pearsonii P.D. Orton, 1958 (a webcap)   7     4  
Species Cortinarius pholideus (Fr.) Fr., 1838 (Scaly Webcap)   19   3 4 1
Species Cortinarius poppyzon Melot (a webcap)           1
Species Cortinarius praestans (Cordier) Gillet, 1876 (Goliath Webcap)           1
Species Cortinarius rickenianus Maire, 1937 (a webcap)           1
Species Cortinarius rigens (Pers.) Fr., 1838 (a webcap)           1
Species Cortinarius rubellus Cooke, 1887 (Deadly Webcap)           4
Species Cortinarius rubicundulus (Rea) A. Pearson, 1946 (a webcap)           1
Species Cortinarius saporatus Britzelm., 1897 (a webcap) 1         2
Species Cortinarius scutulatus (Fr.) Fr., 1838           1
Species Cortinarius subtortus (Pers.) Fr., 1838 (a webcap)   18        
Species Cortinarius torvus (Fr.) Fr., 1838 (Stocking Webcap)           1
Species Cortinarius turgidus Fr., 1838 (a webcap)   5   5    
Species Cortinarius urbicus (Fr.) Fr., 1838 (a webcap)           1
Subgenus Dermocybe (a group of webcaps) 9 83 17 5 13 8
Subgenus Inoloma (a group of webcaps) 1 9 16 5 3  
Subgenus Myxacium (slimy-stemmed webcaps) 5 30 11 9 7 7
Subgenus Phlegmacium (slimy-capped webcaps) 22 103 51 48 7 19
Subgenus Telamonia (hygrophanous webcaps) 17 87 160 73 29 11

Suggested Literature

Identification Works

Brandrud, T.E., Lindström, H., Marklund, H., Melot, J. & Muskos, S., 1990 Cortinarius: Flora Photographica
Kühner, R. & Romagnesi, H., 1955 Compléments a la "Flore analytique"
IV) Espéces nouvelles ou critiques de Cortinarius
Orton, P.D., 1955 Cortinarius I (Myxacium, Phlegmacium)
Orton, P.D., 1958 Cortinarius II (Inoloma, Dermocybe)
Orton, P.D., 1983 Some notes on the genus Cortinarius in Britain
Journées européennes du Cortinaire: Journées européennes du Cortinaire
Karl Soop's Mycology page: Karl Soop's Mycology page
Soop, K., 2008 Cortinarius in Sweden
Cortinarius on Leif & Anita Stridvall's Botanical Site: Cortinarius on Leif & Anita Stridvall's Botanical Site

BioInfo BioInfo ( has 10 general literature references to Cortinarius (webcap toadstools)

Cortinarius may also be covered by literature listed under:

(living things)
(true fungi)
(spore droppers)
(spore droppers)
(a subclass of basidiomycetes)
(mushrooms and toadstools)
(webcaps, rootshanks and the gypsy)
Ectomycorrhizal fungi (via Cortinarius) Macromycetes (via Cortinariaceae) Fungi sl.

BioInfo BioInfo ( has 415 feeding and other relationships of Cortinarius (webcap toadstools)

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