In dung:

• Agrocybe pediades group
  Common Agrocybe


• Bolbitius titubans
  Yellow Bolbitius


• Conocybe tenera
  Brown Cone Head


• Panaeolus papilionaceus
  Bell-Cap Panaeolus


• Panaeolus semiovatus
  Ringed Panaeolus


• Panaeolus subalteatus
  Belted Panaeolus, banded mottlegill


• Peziza vesiculosa
  Common Dung Cup


• Psilocybe coprophila
  Meadow Muffin Mushroom


• Psilocybe cubensis
  Magic Mushroom

In mulch:

• Agrocybe pediades group
  Common Agrocybe


• Agrocybe praecox group
  Spring Agrocybe


• Coprinopsis atramentaria
  Alcohol Inky Cap or Tippler's Bane


• Lycoperdon pyriforme
  Pear-Shaped Puffball


• Lysurus cruciatus
  Lizard's Claw


• Phallus impudicus
  Stinkhorn


• Pluteus cervinus
  Deer Mushroom


• Psathyrella candolleana
  Common Psathyrella

On wood:

• Coprinellus disseminatus
  Fairy Bonnet


• Coprinellus micaceus
  Mica Cap


• Coprinopsis atramentaria
  Alcohol Inky Cap or Tippler's Bane


• Crucibulum laeve
  Bird's Nest Fungus


• Flammulina velutipes
  Velvet Foot or Winter Mushroom


• Gyromitra species
  False Morels


• Helvella crispa
  Fluted Saddle


• Hypsizygus ulmarius
  Elm Oyster


• Lycogala epidendrum
  Wolf's Milk


• Lycoperdon pyriforme
  Pear-Shaped Puffball


• Neolentinus lepideus
  Train-Wrecker


• Panaeolus papilionaceus
  Bell-Cap Panaeolus


• Panaeolus semiovatus
  Ringed Panaeolus


• Pholiota populnea
  


• Pleurotus ostreatus group
  Oyster Mushroom


• Pluteus cervinus
  Deer Mushroom


• Polyporus squamosus
  Dryad's Saddle


• Psathyrella candolleana
  Common Psathyrella


• Scleroderma citrinum
  Common Earthball


• Trametes versicolor
  turkey tail


• Ustilago maydis
  Corn Smut, Huitlacoche


• Volvariella bombycina
  Tree Volvariella

In grass:

• Agaricus arvensis
  Horse Mushroom


• Agaricus bernardi
  No common name


• Agaricus bitorquis
  Urban Mushroom


• Agaricus campestris
  Meadow Mushroom, Pink Bottom


• Agaricus xanthodermus
  Yellow Foot Agaricus


• Agrocybe pediades group
  Common Agrocybe


• Agrocybe praecox group
  Spring Agrocybe


• Amanita phalloides
  Death Cap


• Bolbitius titubans
  Yellow Bolbitius


• Calvatia booniana
  Western Giant Puffball


• Chlorophyllum molybdites
  Vomiter or Green-spored Parasol


• Chlorophyllum rachodes
  Shaggy Parasol


• Conocybe lactea
  White Dunce Cap


• Conocybe tenera
  Brown Cone Head


• Coprinellus disseminatus
  Fairy Bonnet


• Coprinellus micaceus
  Mica Cap


• Coprinopsis atramentaria
  Alcohol Inky Cap or Tippler's Bane


• Coprinus comatus
  Shaggy Mane or Lawyer's Wig


• Endoptychum agaricoides
  Puffball Agaric


• Helvella lacunosa
  Black Elfin Saddle


• Lacrymaria velutina
  Fibrous Psathyrella


• Leucoagaricus leucothites
  Smooth Lepiota


• Lycoperdon perlatum
  Gem-studded Puffball


• Lysurus cruciatus
  Lizard's Claw


• Marasmius oreades
  Fairy Ring Mushroom


• Morchella esculenta
  Yellow Morel


• Mutinus caninus
  Dog Stinkhorn


• Panaeolus foenisecii
  Haymower's mushroom


• Panaeolus subalteatus
  Belted Panaeolus, banded mottlegill


• Parasola plicatilis
  Japanese Parasol or Pleated Inky Cap


• Phallus impudicus
  Stinkhorn


• Psathyrella candolleana
  Common Psathyrella


• Psilocybe coprophila
  Meadow Muffin Mushroom


• Scleroderma citrinum
  Common Earthball


• Stropharia coronilla
  Garland Stropharia

On the ground:

• Agaricus bernardi
  No common name


• Agaricus bitorquis
  Urban Mushroom


• Agaricus xanthodermus
  Yellow Foot Agaricus


• Amanita bisporigera
  Destroying Angel, Death Angel


• Amanita phalloides
  Death Cap


• Bolbitius titubans
  Yellow Bolbitius


• Calvatia booniana
  Western Giant Puffball


• Chlorophyllum molybdites
  Vomiter or Green-spored Parasol


• Chlorophyllum rachodes
  Shaggy Parasol


• Clitocybe irina
  False Blewit


• Clitocybe nuda
  Blewit


• Conocybe tenera
  Brown Cone Head


• Coprinellus micaceus
  Mica Cap


• Coprinopsis atramentaria
  Alcohol Inky Cap or Tippler's Bane


• Coprinus comatus
  Shaggy Mane or Lawyer's Wig


• Endoptychum agaricoides
  Puffball Agaric


• Gyromitra species
  False Morels


• Helvella crispa
  Fluted Saddle


• Helvella lacunosa
  Black Elfin Saddle


• Inocybe fastigiata
  Corn Silk Inocybe


• Lacrymaria velutina
  Fibrous Psathyrella


• Leucoagaricus leucothites
  Smooth Lepiota


• Lycoperdon perlatum
  Gem-studded Puffball


• Lysurus cruciatus
  Lizard's Claw


• Morchella esculenta
  Yellow Morel


• Mutinus caninus
  Dog Stinkhorn


• Panaeolus subalteatus
  Belted Panaeolus, banded mottlegill


• Parasola plicatilis
  Japanese Parasol or Pleated Inky Cap


• Peziza vesiculosa
  Common Dung Cup


• Phallus impudicus
  Stinkhorn


• Pluteus cervinus
  Deer Mushroom


• Psathyrella candolleana
  Common Psathyrella


• Psilocybe coprophila
  Meadow Muffin Mushroom


• Scleroderma citrinum
  Common Earthball


• Tricholoma populinum
  

By Botanical Name:



• Agaricus arvensis
• Agaricus bernardi
• Agaricus bitorquis
• Agaricus campestris
• Agaricus xanthodermus
• Agrocybe pediades group
• Agrocybe praecox group
• Amanita bisporigera
• Amanita phalloides
• Bolbitius titubans
• Boletinellus meruliodes
• Calvatia booniana
• Chlorophyllum molybdites
• Chlorophyllum rachodes
• Clitocybe irina
• Clitocybe nuda
• Conocybe lactea
• Conocybe tenera
• Coprinellus disseminatus
• Coprinellus micaceus
• Coprinopsis atramentaria
• Coprinus comatus
• Crucibulum laeve
• Endoptychum agaricoides
• Flammulina velutipes
• Gyromitra species
• Helvella crispa
• Helvella lacunosa
• Hypsizygus ulmarius
• Inocybe fastigiata
• Lacrymaria velutina
• Leucoagaricus leucothites
• Leucocoprinus birnbaumii
• Lycogala epidendrum
• Lycoperdon perlatum
• Lycoperdon pyriforme
• Lysurus cruciatus
• Marasmius oreades
• Morchella esculenta
• Mutinus caninus
• Neolentinus lepideus
• Panaeolus foenisecii
• Panaeolus papilionaceus
• Panaeolus semiovatus
• Panaeolus subalteatus
• Parasola plicatilis
• Peziza domiciliana
• Peziza vesiculosa
• Phallus impudicus
• Pholiota populnea
• Pleurotus ostreatus group
• Pluteus cervinus
• Polyporus squamosus
• Psathyrella candolleana
• Psilocybe coprophila
• Psilocybe cubensis
• Scleroderma citrinum
• Stropharia coronilla
• Trametes versicolor
• Tricholoma populinum
• Ustilago maydis
• Volvariella bombycina

By Common Name:



• Alcohol Inky Cap or Tippler's Bane
• Bell-Cap Panaeolus
• Belted Panaeolus, banded mottlegill
• Bird's Nest Fungus
• Black Elfin Saddle
• Blewit
• Brown Cone Head
• Common Agrocybe
• Common Dung Cup
• Common Earthball
• Common Psathyrella
• Corn Silk Inocybe
• Corn Smut, Huitlacoche
• Death Cap
• Deer Mushroom
• Destroying Angel, Death Angel
• Dog Stinkhorn
• Domicile Cup Fungus
• Dryad's Saddle
• Elm Oyster
• Fairy Bonnet
• Fairy Ring Mushroom
• False Blewit
• False Morels
• Fibrous Psathyrella
• Flower Pot Parasol
• Fluted Saddle
• Garland Stropharia
• Gem-studded Puffball
• Haymower's mushroom
• Horse Mushroom
• Japanese Parasol or Pleated Inky Cap
• Lizard's Claw
• Magic Mushroom
• Meadow Muffin Mushroom
• Meadow Mushroom, Pink Bottom
• Mica Cap
• No common name
• Oyster Mushroom
• Pear-Shaped Puffball
• Puffball Agaric
• Ringed Panaeolus
• Shaggy Mane or Lawyer's Wig
• Shaggy Parasol
• Smooth Lepiota
• Spring Agrocybe
• Stinkhorn
• Train-Wrecker
• Tree Volvariella
• turkey tail
• Urban Mushroom
• Velvet Foot or Winter Mushroom
• Vomiter or Green-spored Parasol
• Western Giant Puffball
• White Dunce Cap
• Wolf's Milk
• Yellow Bolbitius
• Yellow Foot Agaricus
• Yellow Morel