A fungus is a member of a large group of eukaryotic organisms that includes yeasts and molds, as well as the more familiar mushrooms. The discipline of biology devoted to the study of fungi is known as mycology, which is often regarded as a branch of botany, even though genetic studies have shown that fungi are more closely related to animals than to plants.

Most fungi are found growing on soil, decaying matter, and as symbionts of plants, animals, and even other fungi. Most people are familiar with mushrooms, however they are only the fruiting body of the mycelium, which is usually hidden underground or spread throughout the host that it is growing on. Fungi can vary greatly based on size, shape and how or where it grows. Their color range can be a bright spectrum of colors, including reds, yellows, greens, purples, or they can, quite commonly, be a plain brown or white.

There is a great diversity of fungi in Connecticut, including edible species such as the prized morels, chantarelles, and black trumpets, as well as many poisonous species, including the deadly Destroying Angel and the Death Cap, which are responsible for multiple fatalities. In Connecticut, mushrooms of various kinds can be found nearly year-round, however they are generally most abundant in the summer months.

Latin Name
Agaricus augustus group
Agrocybe praecox cluster
Amanita amerirubescens
Amanita bisporigera
Amanita ceciliae
Amanita citrina
Amanita cokeri
Amanita elongata
Amanita flavoconia
Amanita frostiana
Amanita fulva
Amanita gemmata
Amanita muscaria var. guessowii
Amanita velatipes
Annulohypoxylon cohaerens
Annulohypoxylon multiforme
Armillaria mellea
Armillaria tabescens
Artomyces pyxidatus
Ascocoryne sarcoides
Baorangia bicolor
Bisporella citrina
Boletaceae family
Bondarzewia berkeleyi
Bulgaria inquinans
Butyriboletus genus
Calocera cornea
Calostoma cinnabarinum
Calvatia cyathiformis
Calvatia gigantea
Cantharellus cinnabarinus
Cantharellus lateritius
Cantharellus minor
Cerioporus leptocephalus
Cerioporus squamosus
Chlorociboria aeruginascens
Clavariadelphus pistillaris
Clavulinopsis fusiformis
Clitopilus prunulus
Coltricia cinnamomea
Coprinellus disseminatus
Coprinellus micaceus
Cortinarius alboviolaceus
Cortinarius corrugatus
Cortinarius iodes
Cortinarius violaceus
Craterellus fallax
Craterellus ignicolor
Crepidotus mollis
Cyathus stercoreus
Cyathus striatus
Dacrymyces palmatus
Daedalea quercina
Daedaleopsis confragosa
Daldinia concentrica
Entoloma abortivum
Entoloma strictius
Exidia nigricans
Exsudoporus frostii
Fomes excavatus
Fomitiporia punctata
Galerina marginata
Galiella rufa
Ganoderma applanatum
Ganoderma lucidum
Ganoderma tsugae
Globifomes graveolens
Grifola frondosa
Gymnopus luxurians
Gymnosporangium juniperi-virginianae
Gyroporus castaneus
Hericium americanum
Hericium coralloides
Humidicutis marginata
Hydnellum scrobiculatum
Hygrocybe chlorophana
Hygrocybe coccinea
Hygrocybe miniata
Hygrocybe punicea
Hypholoma fasciculare
Hypomyces genus
Hypomyces hyalinus
Hypoxylon fragiforme
Imleria badia
Inonotus dryadeus
Ischnoderma resinosum
Kretzschmaria deusta
Laccaria genus
Lacrymaria velutina
Lactarius vietus
Lactifluus vellereus
Lactifluus volemus
Laetiporus cincinnatus
Laetiporus sulphureus
Leccinum genus
Leccinum snellii
Leotia lubrica
Lepiota genus
Leucoagaricus americanus
Leucocoprinus birnbaumii
Leucocoprinus cepaestipes
Lycoperdon perlatum
Lycoperdon pulcherrimum
Lycoperdon pyriforme
Marasmius capillaris
Megacollybia rodmani
Meripilus sumstinei
Mitrula paludosa
Mutinus elegans
Mycena genus
Mycena inclinata
Mycena leaiana
Mycosphaerella colorata
Neonectria ditissima
Omphalotus illudens
Oudemansiella radicata
Oxyporus populinus
Panus conchatus
Peniophora albobadia
Peziza genus
Phaeolus schweinitzii
Phallus ravenelii
Pholiota adiposa
Pholiota aurivella
Pholiota granulosa
Pholiota squarrosoides
Piptoporus betulinus
Pleurotus dryinus
Pleurotus ostreatus
Pluteus petasatus
Polyporus alveolaris
Polyporus varius
Psathyrella delineata
Pseudocolus fusiformis
Ramaria genus
Ramaria stricta
Russula genus
Russula parvovirescens
Sarcodon imbricatus
Schizophyllum commune
Scleroderma citrinum
Stereum complicatum
Stereum gausapatum
Stereum hirsutum
Stereum ostrea
Strobilomyces strobilaceus
Stropharia rugosoannulata
Suillus spraguei
Tetrapyrgos nigripes
Thelephora terrestris
Trametes cinnabarina
Trametes elegans
Trametes versicolor
Tremella aurantia
Tremella foliacea
Tremella mesenterica
Tremellodendron schweinitzii
Trichaptum abietinum
Trichaptum biforme
Turbinellus floccosus
Tylopilus plumbeoviolaceus
Tyromyces chioneus
Xerocomellus genus
Xerocomus illudens
Xeromphalina kauffmanii
Xylaria polymorpha
Xylobolus frustulatus
Common Name
Aborted entoloma
Agaricus augustus group
Agrocybe praecox cluster
Amanita mold
American yellow fly agaric
Annulohypoxylon cohaerens
Artist's conk
Bay bolete
Bear's head tooth fungus
Berkeley's polypore
Birch polypore
Black bulgar
Black trumpet
Black witches' butter
Black-footed Marasmus
Black-staining polypore
Blackfoot polypore
Bleeding oak crust
Blushing bracket
Brittle cinder
Brown witch's butter
Butyriboletus genus
Carbon cusion
Cedar-apple rust
Ceramic fungus
Chestnut bolete
Chestnut mushroom
Cinnabar polypore
Citron Amanita
Clustered bonnet
Coker's Amanita
Coral tooth fungus
Corrugated cap psathyrella
Corrugated Cortinarius
Cross-veined troop mushroom
Crown-tipped coral fungus
Dead man's fingers
Deep root mushroom
Dryad's saddle
Dung-loving bird's nest
Dyer's polypore
Earth fan
Eastern American blusher
Eastern North American destroying angel
Elegant polypore
Elegant stinkhorn
Fairy inkcap
False coral
False turkey-tail
Flame-colored chanterelle
Fleecy milk-cap
Flowerpot parasol
Fluted bird's nest
Frost's Amanita
Frost's bolete
Funnel-veil Amanita
Gemmed Amanita
Giant puffball
Giraffe spots
Golden pholiota
Golden waxcap
Green elfcup
Green-cracking russula
Grey milkcap
Gymnopus luxurians
Hairy curtain crust
Hairy rubber cup
Hemlock varnish shelf
Hexagonal-pored polypore
Honey mushroom
Humidicutis marginata
Hypomyces genus
Jelly baby
Jelly drops
King Alfred's cake
Laccaria genus
Lilac oysterling
Lycoperdon pulcherrimum
Marginate Pholiota
Mica cap
Mossy maple polypore
Mountain laurel disease
Mycena genus
Oak mazegill
Old man of the woods
Onion stem
Orange jelly
Orange mycena
Oyster mushroom
Painted slipperycap
Parchment fungus
Pear-shaped puffball
Pearl-studded puffball
Pearly webcap
Peck's yellow dust Amanita
Perennial target canker
Pholiota granulosa
Pigskin poison puffball
Pinwheel Marasmius
Platterful mushroom
Pluteus petasatus
Prettymouth puffball
Purple-spored puffball
Ravenel's stinkhorn
Red chanterelle
Red cushion hypoxylon
Reddening Lepiota
Resinous polypore
Ridged tooth
Ringless honey mushroom
Scarlet waxcap
Scarlet waxy cap
Shaggy chanterelle
Sharp-scaly Pholiota
Shingled hedgehog
Shiny cinnamon polypore
Small chanterelle
Small stagshorn
Smooth chanterelle
Snakeskin grisette
Snell’s Bolete
Soft slipper
Spindle-shaped yellow coral
Split gill fungus
Stinky squid
Straight-stalked entoloma
Strict-branch coral
Sulphur tuft
Swamp beacon
Sweet knot
Sweetbread mushroom
Tawny grisette
Tinder polypore
Trametes elegans
Turkey tail
Two-colored bolete
Veiled oyster
Vermilion waxcap
Violet webcap
Violet-grey bolete
Violet-toothed polypore (abietinum)
Violet-toothed polypore (biforme)
Viscid violet cort
Voluminous-latex milky
Weeping polypore
Weeping widow
White cheese polypore
White rot fungus
White-pored chicken-of-the-woods
Wine cap stropharia
Witches' butter
Xerocomellus genus
Xerocomus illudens
Yellow fairy cups
Yellow patches
Yellow witches' butter