Helvella acetabulum (L.) Quelet 1886
This off-white cup fungus is in the Helvellaceae family of the Pezizales order of the ascomycota.
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- Cortinarius alboluteus
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- Clitocella mundula
- Clitopilus prunulus
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- Entoloma asprellum
- Entoloma bicolor
- Entoloma caesiocinctum
- Entoloma conicum
- Entoloma formosum
- Entoloma luridum
- Entoloma luteum
- Entoloma murrayi
- Entoloma pseudocoelestinum
- Entoloma rhodopolium
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- Entoloma serrulatum
- Entoloma sinuatum
- Entoloma strictius
- Entoloma subserrulatum
- Entoloma subsinuatum
- Entoloma unicolor
- Entoloma vernum
- FISTULINACEAE family
- HYGROPHORACEAE family
- Ampulloclitocybe clavipes
- Arrhenia epichysium
- Chromosera cyanophylla
- Cuphophyllus lacmus
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- Glioxanthomyces vitellinus
- Humidicutis auratocephala
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- Lichenomphalia sp.
- Neohygrocybe subovina
- HYMENOGASTRACEAE family
- INOCYBACEAE family
- LYOPHYLLACEAE family
- MARASMIACEAE family
- Baeospora myosura
- Clitocybula abundans
- Clitocybula familia
- Clitocybula oculus
- Gerronema strombodes
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- Megacollybia rodmanii
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- Pleurocybella porrigens
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- MYCENACEAE family
- Mycena acicula
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- Mycena epipterygia var. epipterygia
- Mycena galericulata
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- Panellus serotinus
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- Panellus violaceofulvus
- Tectella patellaris
- Xeromphalina campanella
- Xeromphalina kaufmannii
- OMPHALOTACEAE Family
- Gymnopus alkalivirens
- Gymnopus androsaceus
- Gymnopus confluens
- Gymnopus dryophilus
- Gymnopus dysodes
- Gymnopus foetidus
- Gymnopus spongiosus
- Gymnopus subnudus
- Marasmiellus dichrous
- Mycetinis scorodonius
- Omphalotus illudens
- Rhodocollybia butyracea
- Rhodocollybia lentinoides
- Rhodocollybia maculata
- Rhodocollybia maculata var. scorzonerea
- PHYSALACRIACEAE family
- Armillaria rhizomorphs
- Armillaria gallica
- Armillaria mellea
- Armillaria sinapina
- Armillaria solidipes
- Cyptotrama asprata
- Desarmillaria tabescens
- Flammulina velutipes
- Hymenopellis furfuracea
- Hymenopellis megalospora
- Hymenopellis rubrobrunnescens
- Physalacria inflata
- Rhizomarasmius pyrrhocephalus
- Strobilurius sp.
- PLEUROTACEAE family
- PLUTACEAE family
- PSATHYRELLACEAE family
- Coprinellus disseminatus
- Coprinellus laniger
- Coprinellus micaceus
- Coprinopsis atramentaria (Coprinus atramentarius) ’Inky Cap’, ’Tippler’s Bane’
- Coprinopsis lagopus
- Lacrymaria lacrymabunda
- Panaeolina foenisecii
- Parasola leiocephalus
- Psathyrella candolleana
- Psathyrella piluliformis
- Psathyrella sp.
- Typhrasea gossypina (Psathyrella delineata)
- RADULOMYCETACEAE family
- SARCOMYXACEAE family
- SCHIZOPHYLLACEAE family
- STROPHARIACEAE family
- Agrocybe dura
- Agrocybe praecox
- Gymnopilus liquiritiae
- Gymnopilus luteofolius
- Gymnopilus luteus
- Gymnopilus penetrans
- Gymnopilus sapineus
- Gymnopilus speciosissimus
- Gymnopilus subspectabilis
- Hemistropharia albocrenulata
- Hypholoma capnoides
- Hypholoma fasciculare
- Hypholoma lateritium
- Leratiomyces squamosus
- Pholiota alnicola or flavida
- Pholiota aurivella
- Pholiota flammans
- Pholiota granulosa
- Pholiota lenta
- Pholiota limonella
- Pholiota populnea (formerly Pholiota destruens)
- Pholiota squarrosa
- Pholiota squarrosoides
- Stropharia hardii
- Stropharia kaufmanii
- Stropharia rugosoannulata
- TRICHOLOMATACEAE family
- Cantharellula umbonata
- Clitocybe odora
- Clitocybe robusta
- Clitocybe squamulosa
- Clitocybe trulliformis
- Clitocybe truncicola
- Collybia cookei
- Collybia tuberosa
- Crinipellis zonata (Collybia zonata)
- Delicatula integrella
- Infundibulocybe gibba (Clitocybe gibba)
- Lepista irina
- Lepista nuda
- Lepista subconnexa (Clitocybe subconnexa)
- Leucopaxillus albissimus
- Leucopaxillus giganteus
- Leucopholiota decorosa
- Melanoleuca alboflavida
- Melanoleuca cognata
- Melanoleuca melaleuca
- Phyllotopsis nidulans
- Pseudoclitocybe cyathiformis
- Resupinatus alboniger
- Resupinatus applicatus
- Resupinatus striatulus
- Tricholoma aestuans
- Tricholoma aurantium
- Tricholoma caligatum
- Tricholoma davisiae
- Tricholoma focale
- Tricholoma fulvum
- Tricholoma equestre
- Tricholoma fumosoluteum
- Tricholoma odorum
- Tricholoma palustre
- Tricholoma pessundatum
- Tricholoma pullum
- Tricholoma saponaceum
- Tricholoma subluteum
- Tricholoma subresplendens
- Tricholoma subsejunctum
- Tricholoma terreum
- Tricholoma transmutans
- Tricholoma ustale
- Tricholoma vaccinum
- Tricholoma virgatum
- Tricholomopsis decora
- Tricholomopsis rutilans
- Tricholomopsis sulfureoides
- TUBARIACEAE family
- TYPHULACEAE family
- AGARICACEAE family
- AMYLOCORTICIALES order
- ATHELIALES order
- ATRATIELLALES order
- AURICULARIALES order
- BOLETALES order
- BOLETINEAE suborder
- BOLETACEAE family
- Aureoboletus auriporus
- Aureoboletus innixus
- Aureoboletus roxanae
- Austroboletus gracilis var. pulcherripes
- Baorangia bicolor
- Boletellus pseudochrysenteroides
- Boletus aureissimus var. aureissimus
- Boletus bicoloroides
- Boletus clavipes
- Boletus edulis group
- Boletus gertrudiae
- Boletus huronensis
- Boletus longicurvipes
- Boletus miniato-pallescens
- Boletus nobilis
- Boletus pseudo-olivaceous
- Boletus rubroflammeus
- Boletus sensibilis
- Boletus separans
- Boletus spadaceus
- Boletus subluridellus
- Boletus variipes
- Boletus variipes var. fagicola
- Boletus vermiculosoides
- Boletus vermiculosus
- Bothia castanella
- Buchwaldoboletus lignicola
- Butyriboletus brunneus
- Butyriboletus frostii
- Butyriboletus roseopurpureus
- Caloboletus inedulis
- Caloboletus roseipes
- Chalciporus rubinellus
- Cyanoboletus pulverulentus
- Harrya chromapes
- Hemileccinum hortonii
- Hemileccinum rubropunctum
- Hortiboletus campestris
- Imleria badia
- Imleria pallida
- Leccinellum albellum
- Leccinum holopus
- Leccinum scabrum
- Leccinum snellii
- Leccinum versipelle
- Neoboletus luridiformis
- Phylloporus boletinoides
- Phylloporus leucomycelinus
- Phylloporus rhodoxanthus
- Porphyrellus nebulosus
- Pseudoboletus parasiticus
- Pulveroboletus ravenelii
- Retiboletus griseus
- Retiboletus ornatipes
- Rubroboletus rhodosanguineus
- Strobilomyces confusus
- Strobilomyces strobilaceus
- Sutorius eximius
- Tylopilus alboater
- Tylopilus felleus
- Tylopilus rubrobrunneus
- Tylopilus sordidus
- Tylopilus violatinctus
- Tylopilus undescribed
- Xanthoconium purpureum
- Xerocomus illudens
- BOLETACEAE family
- BOLETINELLACEAE family
- CONIOPHORINEAE suborder
- PAXILLINEAE suborder
- SCLERODERMATINEAE (Suborder of the Boletales)
- GOMPHIDIACEAE family
- HYGROPHOROPSIDACEAE family
- SERPULACEAE family
- SUILLINEAE suborder
- SUILLACEAE family
- Suillus acidus
- Suillus americanus
- Suillus ampliporus (S. cavipes)
- Suillus brevipes
- Suillus clintonianus (grevillei )
- Suillus glandulosipes
- Suillus glandulosus
- Suillus intermedius
- Suillus luteus
- Suillus placidus
- Suillus punctipes
- Suillus salmonicolor
- Suillus spraguei
- Suillus subaleutaceus
- Suillus subaureus
- Suillus weaverae (granulatus)
- SUILLACEAE family
- BOLETINEAE suborder
- CANTHARELLALES order
- BOTRYOBASIDIACEAE family
- CLAVULINACEAE family
- HYDNACEAE family
- Cantharellus appalachiensis
- Cantharellus ‘cibarius’ group
- Cantharellus x
- Cantharellus cinnabarinus
- Cantharellus flavus
- Cantharellus lateritius
- Cantharellus minor
- Cantharellus -possibly- phasmatis
- Craterellus fallax
- Craterellus foetidus
- Craterellus ignicolor
- Craterellus lutescens
- Craterellus tubaeformis
- Hydnum albidum
- Hydnum albomagnum
- Hydnum repandum ‘group’
- Hydnum rufescens
- Hydnum umbilicatum
- TULASNELLACEAE
- CORTICIALES order
- DACRYMYCETALES order
- GEASTRALES order
- GLOEOPHALLALES order
- GOMPHALES order
- HYMENOCHAETALES order
- HYMENOCHAETACEAE family
- Coltricia cinnamomea
- Coltricia montagnei
- Coltricia perennis
- Coltriciella dependens
- Fulvifomes everhartii
- Fulvifomes inermis
- Fulvifomes robiniae
- Fuscoporia ferruginosa
- Fuscoporia gilva
- Hydnoporia corrugata (Hymenochaetopsis corrugata)
- Hydnoporia olivacea
- Hydnoporia tabacina
- Hymenochaete rubiginosa
- Inonotus glomeratus
- Inonotus hispidus
- Inonotus obliquuis
- Onnia tomentosa
- Phellinus chrysoloma
- Phellinus cinereus
- Phellinus hartigii
- Phellinus igniarius
- Phellinus tremulae
- Porodaedalea chrysoloma
- Pseudoinonotus dryadeus
- Trichaptum abietinum
- Trichaptum biforme
- Trichaptum laricinum
- Trichaptum subchartaceum
- Xanthoporia radiatus (Inonotus radiatus)
- REPETOBASIDIACEAE family
- Oxyporus populinus
- HYMENOCHAETACEAE family
- HYSTERANGIALES Order
- PHALLALES order
- POLYPORALES order
- CERRENACEAE family
- CYSTOSTEREACEAE family
- DACRYOBOLACEAE Family
- FOMITOPSIDACEAE family
- GANODERMATACEAE family
- GRIFOLACEAE family
- INCRUSTOPORIACEAE family
- IRPICACEAE family
- ISCHNODERMATACEAE family
- LAETIPORACEAE family
- MERIPILACEAE family
- MERULIACEAE family
- PANACEAE family
- PHANEROCHAETACEAE family
- PODOSCYPHACEAE family
- POLYPORACEAE family
- Bresadolia craterella
- Cerioporus leptocephalus
- Cerioporus mollis
- Cerioporus scutellatus
- Cerioporus squamosus
- Cerioporus stereoides
- Cerioporus varius
- Cryptoporus volvatus
- Daedaleopsis confragosa
- Fomes excavatis (fomentarius)
- Globifomes graveolens
- Lentinus arcularius
- Lentinus brumalis
- Lentinus trigrinus
- Lenzites betulinus
- Neofavolus alveolaris
- Neofavolus suavissimus (Lentinus suavissimus)
- Perenniporia fraxinophilia
- Perenniporia medulla-panis
- Perenniporia ohioensis
- Picipes badius
- Picipes melanopus
- Picipes tubaeformis
- Polyporus radicatus
- Polyporus umbellatus
- Poronidulus conchifer
- Trametes cinnabarina
- Trametes gibbosa
- Trametes hirsuta
- Trametes ochracea
- Trametes pubescens
- Trametes variegata
- Trametes versicolor
- Wolfiporia extensa (Peck) Ginns
- SPARASSIDACEAE family
- STECCHERINACEAE family
- XENASMATACEAE family
- INCERTAE SEDIS
- RUSSULALES order
- ALBATRELLACEAE
- AURISCALPIACEAE
- BONDARZEWIACEAE
- ECHINODONTIACEAE
- HERICIACEAE
- LACHNOCLADIACEAE
- PENIOPHORACEAE
- RUSSULACEAE
- Lactarius affinis var. affinis
- Lactarius areolatus
- Lactarius argillaceifolius
- Lactarius aspideoides
- Lactarius atroviridis
- Lactarius camphoratus
- Lactarius chelidonium var. chelidonium
- Lactarius chelidonium var. chelidonioides
- Lactarius chrysorrheus
- Lactarius cinereus var. cinereus
- Lactarius cinereus var. fagitorium
- Lactifluus corrugis
- Lactarius croceus
- Lactifluus deceptivus
- Lactarius deterrimus
- Lactarius fuliginosus
- Lactarius fumeacolor
- Lactarius fumosus
- Lactarius gerardii var. gerardii
- Lactarius gerardii v. subrubescens
- Lactifluus glaucescens
- Lactarius glysiosmus
- Lactarius griseus
- Lactarius helvus
- Lactarius hepaticus
- Lactarius hibbardae
- Lactifluus hygrophoroides
- Lactarius hygrophoroides var. rugatus
- Lactarius imperceptus
- Lactarius indigo
- Lactarius lignyotellus
- Lactarius lignyotus
- Lactarius luridus
- Lactifluus luteolus
- Lactarius maculatipes
- Lactarius maculatus
- Lactarius mucidus var. fuscogriseus
- Lactarius mucidus var. mucidioides
- Lactarius mucidus var. mucidus
- Lactarius mutabilis
- Lactarius nigroviolescens
- Lactarius oculatus
- Lactarius paradoxus
- Lactarius peckii
- Lactifluus piperatus
- Lactifluus piperatus & Lactifluus deceptivus compared
- Lactarius proximellus
- Lactarius psammicola
- Lactarius psammicola var. glaber
- Lactarius pseudomaculatus
- Lactarius pubescens var. pubescens
- Lactarius pubescens var. betulae
- Lactarius pyrogalus
- Lactarius quietus var. incanus
- Lactarius rimosellus
- Lactarius rufus
- Lactarius salmonicolor (thyinos)
- Lactarius sordidus
- Lactarius subgerardii
- Lactarius subplinthogalus
- Lactarius subpurpureus
- Lactifluus subvellereus
- Lactifluus subvellereus var. subdistans
- Lactarius subvernalis
- Lactarius torminosus
- Lactarius trivialis
- Lactarius turpis
- Lactarius uvidus
- Lactarius vietus
- Lactarius vinaceorufescens
- Lactifluus volemus
- Russula kicked & crumbled
- Turtle eating Russula
- Russula aeruginea
- Russula albida
- Russula albidula
- Russula albonigra
- Russula amoenolens
- Russula aquosa
- Russula ballouii
- Russula betularum
- Russula brevipes
- Russula brevipes var. acrior
- Russula brunneola
- Russula brunneoviolacea
- Russula burlinghamae
- Russula claroflava
- Russula compacta
- Russula crustosa
- Russula decolorans
- Russula densifolia
- Russula dissimulans
- Russula earlei
- Russula emetica
- Russula flavida
- Russula flavisiccans
- Russula foetentula
- Russula fragilis
- Russula fragrantissima
- Russula fucosa
- Russula granulata
- Russula grata
- Russula heterophylla
- Russula ionochlora
- Russula lutea
- Russula mariae
- Russula michiganensis
- Russula modesta
- Russula mutabilis
- Russula ochroleucoides
- Russula ornaticeps
- Russula parvovirescens
- Russula peckii
- Russula pectinoides
- Russula polyphylla
- Russula pseudolepida
- Russula pulchra
- Russula pusilla
- Russula redolens
- Russula roseipes
- Russula rubescens
- Russula rugulosa
- Russula sericeonitens
- Russula silvicola
- Russula simulans
- Russula squalida
- Russula subgraminicolor
- Russula subpunctata
- Russula uncialis
- Russula variata
- Russula vinacea
- STEREACEAE
- SEBACINALES order
- THELEPHORALES order
- BANKERACEAE
- Bankera violescens
- Boletopsis grisea
- Hydnellum aurantiacum
- Hydnellum caeruleum
- Hydnellum concrescens
- Hydnellum cristatum
- Hydnellum diabolus
- Hydnellum ferrugineum
- Hydnellum peckii
- Hydnellum scrobiculatum
- Hydnellum spongiosipes
- Hydnellum suaveolens
- Phellodon alboniger
- Phellodon niger
- Phellodon violascens
- Sarcodon atroviridis
- Sarcodon cristatus
- Sarcodon scabrosus
- THELEPHORACEAE
- BANKERACEAE
- TRECHISPORALES Order
- TREMELLALES order
- USTILIAGINALES Order
- AGARICALES Order
- MYXOGASTRIA (Slime Molds)
- Arcyria cinera
- Arcyria denudata
- Brefeldia maxima
- Ceratiomyxa fruticulosa
- Ceratiomyxa poroides
- Diachea leucopodia
- Enteridium lycoperdon
- Fuligo septica
- Hemitrichia calyculata
- Hemitrichia calyculata among Scutellinia scutellata and Arcyria cinerea
- Hemitrichia serpula
- Hemitrichia serpula parasitzed by Blistum ovalisporum
- Leocarpis fragilis
- Lindbladia tubulina
- Lycogala epidendrum
- Lycogala terrestre
- Metatrichia and Acyria cinera
- Muscilago crustacea
- Physarum cinereum
- Physarum polycephalum
- Stemonitis sp.
- Stemonitis splendens
- Tubifera ferriginosa
- FIELD GUIDE RECOMMENDATIONS