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| location: North America |
| edibility: Edible |
| fungus colour: Black or blackish |
| stem type: Lateral, rudimentary or absent |
| flesh: Flesh exudes white or watery latex (milk) when cut |
| spore colour: White, cream or yellowish |
| habitat: Grows underground |
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Picoa carthusiana Tul. Fruit body 0.5-8cm across, subglobose to globose; black to sooty violet-gray; minutely warted. Interior solid, comprising fertile tissue streaked with paler sterile veins. Fertile tissue is whitish to buff becoming grayish green or greenish blue; sometimes exudes a clear milk which slowly stains white paper light mauve. Asci 8-spored, buried in the fertile tissue. Spores lemon- or spindle-shaped, smooth when mature, 74-84 x 20-35µ. Habitat singly, scattered, or in small groups in soil or humus in woods. Found in western North America. Season August-October. Edible-good. |
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