Species: Arcyria incarnata Pers.
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Description:
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SPOROCARPS: Sporangia stalked or nearly sessile, crowded, subcylindrical or ellipsoid, 1 to 1.5 mm, high, 0.6 mm. broad, pink; cup of sporangium membranous, even or plicate, spinulose.

STALK: weak, 0.1 to 0.3 mm. long, flesh-colored, filled with spore-like cells.

CAPILLITIUM: a very loose, elastic, expanding network of pale pink threads 3-5 µm diam., sparingly and somewhat irregularly branched, with here and there broad, perforated or ring-like expansions, often swollen at the axils of the branches; thickenings in the form of sharp cogs, half-rings, or spines arranged in a loose spiral, and of minute scattered spinules; free ends more or less numerous, clavate or pointed, spinose.

 
SPORES: Pale pink, marked with a few scattered warts, 6-8 µm diam.

PLASMODIUM: White.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland, Taupo, Wellington, Nelson, Fiordland, Southland and Stewart Island.
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Macro images:
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Arcyria majorScale bar 
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 Scale = 0.35 mm.
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Arcyria incarnataScale bar 
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 Scale = 0.25 mm.
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Micro images: 
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Arcyria incarnata 
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 Magnification = 400x
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Arcyria incarnata 
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 Magnification = 1000x
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