Pacific Northwest Mushrooms

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Q1 Flashcard image

Gemmed amanita / Jeweled death cap
Scientific name: Amanita gemmata

  • Yellow to tan cap with scattered white warts
  • White gills and stem, ring present
  • Toxic, associated with conifers and mixed woods
Q2 Flashcard image

False morel
Scientific name: Gyromitra esculenta

  • Brain-like, convoluted reddish-brown cap
  • Hollow or chambered interior, often irregular
  • Potentially deadly due to gyromitrin toxin
Q3 Flashcard image

Birch polypore
Scientific name: Fomitopsis betulina

  • Smooth, hoof-shaped white to tan brackets on birch
  • Pore surface white, bruising brown with age
  • Historically used as tinder and for medicinal purposes
Q4 Flashcard image

Oyster mushroom
Scientific name: Pleurotus ostreatus

  • Shelf-like, oyster-shaped caps on wood
  • White to gray-brown with decurrent gills down the short stem
  • Edible saprobe on dead logs, often alder or other hardwoods
Q5 Flashcard image

Destroying angel
Scientific name: Amanita virosa

  • Pure white cap, gills, and stem with a bulbous base and volva
  • Deadly amatoxin-containing Amanita
  • Found in forests; any all-white Amanita should be treated as deadly
Q6 Flashcard image

Shiny bracket (Gilled polypore)
Scientific name: Gloeophyllum sepiarium

  • Brown, zoned, shelf-like brackets on conifer wood
  • Has pseudo-gills (maze-like pores) underneath
  • Common saprobe on lumber, stumps, and logs
Q7 Flashcard image

Lion's mane
Scientific name: Hericium erinaceus

  • White, shaggy mass of long hanging spines
  • Grows on hardwood logs and stumps
  • Edible and cultivated; resembles a white pom-pom
Q8 Flashcard image

Witch's butter
Scientific name: Tremella mesenterica

  • Bright yellow, gelatinous, brain-like masses on wood
  • Often found on dead branches after rain
  • Technically edible but not substantial; a jelly fungus
Q9 Flashcard image

Stinkhorn mushroom
Scientific name: Phallus impudicus

  • Phallic, white stalk with slimy, dark olive spore mass on top
  • Strong carrion-like odor attracts flies
  • Emerges from a white “egg” structure in soil or wood debris
Q10 Flashcard image

Shiitake
Scientific name: Lentinula edodes

  • Brown, scaly caps with white gills
  • Commonly cultivated on logs; occasionally naturalized in forests
  • Popular edible mushroom, especially in Asian cuisine
Q11 Flashcard image

Turkey tail
Scientific name: Trametes versicolor

  • Thin, leathery brackets in overlapping rosettes
  • Concentric colored zones (brown, cream, blue, tan) like a turkey tail
  • Common on dead hardwood; used medicinally
Q12 Flashcard image

Fly agaric var. guessowii (yellow form)
Scientific name: Amanita muscaria var. guessowii

  • Yellow to orange-yellow cap with white warts
  • Similar to red fly agaric but paler; often under conifers and birch
  • Psychoactive and toxic if improperly prepared
Q13 Flashcard image

Jelly ear / Wood ear
Scientific name: Auricularia auricula-judae

  • Brown, ear-shaped, gelatinous fruiting bodies
  • Grows on dead or dying wood, especially elder and other hardwoods
  • Edible and used in many Asian dishes
Q14 Flashcard image

Common inkcap
Scientific name: Coprinopsis atramentaria

  • Grayish bell-shaped caps that turn black and inky
  • Often in clusters on disturbed ground or near paths
  • Can cause illness when combined with alcohol
Q15 Flashcard image

Jack-o'-lantern mushroom
Scientific name: Omphalotus olearius

  • Bright orange clusters at the base of trees or stumps
  • True gills (not ridges) that may glow faintly in the dark
  • Poisonous, sometimes confused with chanterelles
Q16 Flashcard image

Shaggy parasol
Scientific name: Chlorophyllum rhacodes

  • Large cap with brown, shaggy scales on a whitish background
  • Thick stem with movable ring; flesh may redden when cut
  • Edible for some, but causes GI upset in others
Q17 Flashcard image

Puffball mushroom
Scientific name: Lycoperdon perlatum

  • Small, round to pear-shaped puffballs with tiny spines
  • White and firm when young; later opens to release brown spores
  • Edible only when interior is pure white and solid
Q18 Flashcard image

Yellowfoot chanterelle
Scientific name: Craterellus tubaeformis

  • Small, yellow to brown funnel-shaped caps
  • Hollow, thin yellowish stems
  • Edible, often in mossy, wet conifer forests
Q19 Flashcard image

Hedgehog mushroom
Scientific name: Hydnum rufescens

  • Smaller, orange to salmon-colored cap
  • Teeth-like spines under cap; often slightly decurrent
  • Good edible, common in mossy conifer forests
Q20 Flashcard image

Honey fungus
Scientific name: Armillaria mellea

  • Honey-colored caps often in dense clusters at tree bases
  • White spore print; may have dark shoe-string rhizomorphs
  • Serious tree pathogen; some forms eaten cautiously
Q21 Flashcard image

Pacific golden chanterelle
Scientific name: Cantharellus formosus

  • Golden to apricot-yellow, wavy funnel-shaped cap
  • False gills: blunt, forked ridges running down the stem
  • Highly prized edible, common in coastal conifer forests
Q22 Flashcard image

Scaly hedgehog / Wood hedgehog
Scientific name: Hydnum repandum

  • Pale, irregular cap with spines (teeth) instead of gills
  • Spines hang from the underside like tiny icicles
  • Edible, often found under conifers and hardwoods
Q23 Flashcard image

Tinder fungus / Hoof fungus
Scientific name: Fomes fomentarius

  • Hard, hoof-shaped conks, gray to brown in color
  • Found mostly on birch and beech
  • Traditionally used as tinder and for making amadou
Q24 Flashcard image

Giant puffball
Scientific name: Calvatia gigantea

  • Very large, round white puffball (can be soccer-ball sized)
  • Smooth surface; interior turns yellow-brown when old
  • Edible when young and uniformly white inside
Q25 Flashcard image

Deadly webcap
Scientific name: Cortinarius rubellus

  • Rusty orange-brown cap with fibrillose surface
  • Webby cortina remnants on stem
  • Lethal toxin (orellanine); can resemble edible species

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