A to Z of British Fungi

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Common Name	Scientific Name	Description
Radulomyces molaris	Radulomyces molaris	Toothed, almosr exclusively occurs on oak.
Ramaria flaccida	Ramaria flaccida	A medium sized pale-brown fungus that has a branching or tufted body found growing on soil, either solitary or in groups in coniferous woodland.
Ramariopsis kunzei	Ramariopsis kunzei	A small cream coloured fungus with repeatedly branching, coral like; found growing either solitary or in small troops on soil in grass with or close to coniferous trees.
Red Banded Polypore	Fomitopsis pinicola	A bracket fungus, broadly attached, woody, and up to 40 cm long by 25 cm wide. Brackets are more or less flat, concentrically grooved, yellowish to orange-red, becoming red-brown and finally...
Red Cage	Clathrus ruber	Fruit body egg shaped, white to greyish volva, bursting open to show a lattice, 10x6cm, orange-red with greenish-black sporebearing material on the inside; the mycelium commonly forms into rooting...
Red Cracking Bolete	Boletus chrysenteron	Medium to large variable bolete, with dull brown cap which cracks showing pinkish flesh, sulphur yellow pores becoming greenish and red streaked stem.
Red Edge Bonnet	Mycena rubromarginata
Redlead Roundhead	Stropharia aurantiaca	A small to medium fungus commonly found in parks and gardens growing on wood chips and sawdust.
Resupinatus applicatus	Resupinatus applicatus
Rhacomyces philonthinus	Rhacomyces philonthinus	This is a member of the Laboulbeniales, a group of insect parasites that do little damage to their host. They lack mycelium and the entire thallus (body) is derived from enlargement and subsequent...
Rhododendron Bud Blast	Pycnostysanus azaleae
Ringed Conecap	Conocybe arrhenii	A small, orange-brown fungus with a distinct ring on the stem found growing in soil.
Root Rot	Heterobasidion annosum	A large, perennial brown fungus that darkens with age, it has a white margin and white pores on the underside, growing either singly or in tiers in coniferous woodland. It causes deacy in...
Rooting Bolete	Boletus radicans	Boletus radicans is found in deciduous woodland growing either singly or in small troops. The cap is bun-shaped, a pale cream to grey colour, often with a cracked surface. The pores are yellow,...
Rooting Poisonpie	Hebeloma radicosum	This fungus with a strange ecology as it has a stem that burrows into the soil and feeds on animal waste.
Rooting Shank	Oudemansiella radicata
Rooting Shank	Xerula radicata
Rosellinia aquila	Rosellinia aquila	A 'pyrenomycete' fungus which occurs in groups on dead wood, particularly fallen decorticated trunks and branches; it belongs to the same group as Xylaria and Hypoxylon, and the asci show a...
Rosey Bonnet	Mycena rosea	A small to medium sized whitish or pink fungus, found growing in small troops on soil amongst leaf-litter in mixed or deciduos woodland.
Rosy Spike	Gomphidius roseus	Small to medium bolete with slimy coral-red cap, greyish white, deeply decurrent gills, and a stem with a ring zone.
Rubinoboletus rubinus	Rubinoboletus rubinus
Ruby Bolete	Boletus rubellus	A small to medium sized infrequent Bolete found either solitary or in small groups under deciduous trees.
Rufous Milkcap	Lactarius rufus	This is a common species, found during early Summer and Autumn, usually in large numbers on acid soil, in Pine woods and occasionally under Birches.
Russet Toughshank	Collybia dryophila	Cap convex Becoming flattened and often wavy at margin; variable in colour from whitish or pale buff to light tan. Stem. Base swollen, flushed tan, darker towards base. hollow. Flesh. whitish,...
Russula firmula	Russula firmula
Russula graveolens	Russula graveolens	A medium sized Russula with a variably coloured cap that ranges from red or reddish or pink, violet or purple, brown, grey to beige found growing solitary or scattered under broadleaf trees.
Russula grisea	Russula grisea	Similar to Russula ionochlora and only reliably distinguished by its microscopic characters, although the cap colours are rather more dingy, being more dull brownish or greyish.
Russula luteotacta	Russula luteotacta	A medium sized Russla with a red to pink coloured cap, often with paler patches foung growing on soil in broadleaf woodland.
Russula mairei	Russula mairei	See Russula nobilia
Russula pseudo-olivascens	Russula pseudo-olivascens
Russula solaris	Russula solaris	A medium sized Russula that has a pale yellow cap and gills found growing in scattered groups or solitary in broadleaf woodlands specifically under Beech.
Russula sororia	Russula Sororia	A small to medium sized Russula that is found growing in scattered groups or solitary, on soil in broadleaf woodland, specifically with Oak.
Russula vesca	Russula vesca	A medium to large Russula that has a variable cap, being violet to buff in colour, growing in scattered groups or solitary, on soil under broadleaf trees.