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Edible vs Poisonous

Agaricus (Edible) (Medicinal) Morels (Edible) (Edible)

Agaricus augustus Agaricus fissuratus

Agaricus arvenses group: Yellowing Almondy Agaricus : Magic Mushrooms Morchella snyderi, M. americana and M. rufobrunnea: and Amanita vernicoccora: True Morels Fall and Spring Coccora Large to medium sized white mushrooms that slowly Small, veiled, brown capped, on wood. Introduced to bruise yellow or tawny. Related to store-bought button the Bay Area. Black or blonde coloration (may redden), conical or Variable color: warm brown cap edged with yellow (fall); mushrooms. Chocolate brown gills at maturity, free rounded caps with pits and ridges. Hollow inside. uniformly pale yellow cap or pure white cap (spring). PURPLE-BLACK. Cap skin when wet peels from attachment to stem. cleanly off like cellophane. Many bruise blue. Saprobic, possibly mycorrhizal. M. snyderi found in Cap with striate margin in both youth and age. Strong or subtle odor of or when young; mountains; M. americana found in riparian lowlands, Temporarily alters brain chemistry. Egg wider at top than at bottom. “mushroomy” odor (like button mushrooms) at orchards; M. rufobrunnea in urban areas (). maturity. Recent promising use in psychological therapy for PTSD membranous and thick, tears to form a sac Toxic only when raw (exact toxins unknown); choice and depression. at the stem base, usually leaving a veil patch on the cap. Saprobic. Growth in grass or at edges of woods. edible when well cooked. Delicious edible species, but can be difficult to ID Note: In the United States, possession of - No bulb; stem uniform in width. Odor mild or like fish. containing mushrooms is illegal. Mycorrhizal with and hardwoods.

Agaricus (Poisonous) (Poisonous) Gyromitra (Poisonous) Amanita (Poisonous)

Agaricus xanthodermus: Yellow Stainer : Deadly Little Brown Gyromitra esculenta: False Morel or Beefsteak : Death Cap Mushroom Large to medium sized mostly white mushrooms that Small, veiled, brown capped, on wood. Native to the Variable color: green to greenish yellow to brown to tan quickly bruise “marker yellow” when cap is rubbed. Bay Area. Reddish convoluted caps, which resemble little to white cap, sometimes with a metallic sheen in age. Related to store-bought button mushrooms. Free brains on a stalk. Stems hollow or stuffed or Spores BRIGHT RUSTY BROWN. Cap skin does not Subtle embedded radial fibers in cap. Non-striate cap chocolate brown gills at maturity. chambered. peel cleanly off. Never blues. margin when young. Strong or subtle odor of phenol or library paste when Saprobic. Found primarily at elevation here in CA. Contains deadly like those found in Death base of stem is bruised. Not everyone has the ability to Contains the highly volatile toxin gyromitrin, which Egg wider at bottom than at top. Caps. smell this odor. Older or waterlogged specimens may converts to monomethylhydrazine (MMH), a lack odor. chemical found in rocket fuel! Universal veil membranous, thin and tough, tears to form a sac at the stem base, usually without leaving a Saprobic. Growth in grass or at edges of woods. Seriously toxic and sometimes even deadly. veil patch on the cap. Bulb at base of stem.

Toxins rapidly cause unpleasant GI effects, normally Odor sickly sweet in youth, like decaying flesh at self-limiting. maturity. Contains deadly amatoxins.

Mycorrhizal with live oak, deciduous oak, cork oak, tan oak and pine. © Copyright Bay Area Mycological Society 2017