Covers mushrooms and other non-lichenized fungi that form multicellular fruiting bodies large enough to be seen with the unaided eye.

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Scientific names beginning with R:
21 genera
184 species, 38 subspecies and varieties
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Ramaria abietinagreen-staining coral
Distribution: It occurs across the U.S. and Canada and also in Europe and Asia.
Ramaria acrisiccescensblah coral
Habitat: It occurs throughout the conifer forests of the PNW.
Ramaria amyloideapale peach rusty-root
Ramaria apiculata
var. apiculata – green-tipped coral
Ramaria araiospora
Distribution: Restricted to the PNW.
var. araiospora – carmine coral, light red coral
var. rubella – crimson coral
Ramaria botrytiscauliflower coral, clustered coral, wine-tipped coral, pink-tipped coral mushroom
Ramaria celerivirescensgold rusty-root
Ramaria cyaneigranosa
var. cyaneigranosa – pink coral
var. elongata – pink pencils
var. persicina – peach fan
Ramaria cystidiophora
var. citronella – lemon fuzzy-foot
var. cystidiophora – fuzzy-footed coral, fuzzy-foot
var. fabiolens – beany fuzzy-foot
Ramaria formosayellow-tipped coral
Ramaria gelatinosa
var. oregonensis – gelatinous coral, Oregon gelatinous coral, gelatinous coral mushroom
Ramaria largentiigolden coral, Largent's coral
Ramaria leptoformosaslim formosa
Ramaria longisporaformosetta
Ramaria maculatipesformosa stainer
Ramaria magnipes
Habitat: Occurs mostly in the mountains east of the Cascade crest.
var. magnipes – big-base goldie
Ramaria rasilispora
var. scatesiana – Kit's creamy coral
Ramaria rubiginosayellow winey-base
Ramaria rubribrunnescenssweet formosa stainer
Ramaria rubrievanescenspale pinky
Ramaria rubripermanensperma pinky
Ramaria sandaracina
var. chondrobasis – fused orange clump
var. euosma – sweet orange clump
Ramaria stricta
var. stricta – straight coral, straight-branched coral, upright coral, strict coral mushroom
Ramaria velocimutanswhite rusty-root
Ramaria vinosimaculanspale winey-base
Ramariopsis kunzeiivory coral, white coral
Rhizina undulatacrustlike cup, rooting fairy cup, doughnut fungus, pine fire fungus
Rhizopogon occidentaliswestern Rhizopogon
Habitat: Pine and Douglas fir forests
Rhizopogon rubescensblushing false truffle
Rhodocollybia butyraceabutter-cap, buttery Collybia
Habitat: Conifer forests
Spores: pale pinkish buff, relatively large (mostly 7-9 x 3.5-4 ┬Ám) and tear-shaped, almond-shaped, or ellipsoid
Rhodocollybia maculataspotted Collybia, spotted toughshank
Substrate: Clusters on or near rotting conifer wood
Rhodocollybia oregonensisfragrant Collybia
Rhodofomes cajanderirosy polypore
Rhodonia placenta
Distribution: Northern hemisphere.
Habitat: Coniferous forests.
Substrate: Wood.
Rhodotarzetta roseapink burn cup
Rhytisma punctatumspeckled tarspot
Distribution: Broad North America, introduced to Europe
Substrate: Extremely common on maples in both forest and urban areas
Rickenella fibulaorange moss Agaric, orange nail fungus, orange mosscap
Distribution: It occurs in mossy forest habitats but also is a common urban mushroom, occurring in small to large groups in mossy lawns of homes, parks, and similar habitats.
Roridomyces roridusdripping bonnet, slippery Mycena
Russula adustawinecork brittlegill
Distribution: Western
Habitat: Conifer forests
Russula aerugineagreen brittlegill, grass-green Russula, tacky green Russula
Russula albonigrablack and white Russula, blackening Russula, integrated Russula
Russula americanaAmerican Russula
Russula basifurcatapale cap Russula
Russula bicolorbicolored Russula
Russula brevipesshort-stemmed Russula
Distribution: Broad, common
Russula cascadensisCascade Russula
Russula cessanstardy brittlegill
Russula chamaeleontinasmall yellow Russula
Russula crassotunicata
Habitat: Old-growth forests
Substrate: Well rotted wood
Russula cremoricolorcreamy Russula
Russula crenulata
Distribution: Broad
Habitat: All variety of forests with both conifers and hardwoods
Russula decoloranscopper brittlegill, graying Russula
Russula densifoliacrowded brittlegill, reddening Russula
Russula dissimulansred and black Russula
Russula emeticaemetic Russula, the sickener
Russula flavicepsyellow cap Russula
Russula foetensstinking brittlegill
Russula fragilisfragile brittlegill, fragile Russula
Distribution: Broad
Habitat: Near or well-rotted wood
Russula griseagrey Russula
Russula heterophyllagreasy green brittlegill
Russula laurocerasialmond-scented Russula
Distribution: Western
Russula lilacealilac brittlegill
Russula nigricansblackening brittlegill, blackening Russula
Distribution: Broad Widespread in Northern Hemisphere
Russula occidentaliswestern Russula
Distribution: Broad, common
Habitat: Conifer forests
Russula olivaceaolive brittlegill, rainbow Russula, tan-colored Russula
Russula parazureapowdery brittlegill, blue Russula
Russula pelargoniaPelargonium brittlegill
Russula placitapleasing Russula
Russula sanguinariabloody brittlegill, rosy Russula
Russula stuntzii
Distribution: Coastal Pacific Coast, from British Columbia to California
Habitat: Conifer forests, on or near rotting wood
Russula xerampelinacrab brittlegill, shrimp mushroom, shrimp Russula
Distribution: Broad
Habitat: Variety of forest types