Species: Arcyria pomiformis (Leers) Rostaf.
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Description:
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SPOROCARPS: Sporangia scattered or gregarious, stalked, subglobose or ovoid, 0.3 to 0.7 mm. diam., ochraceous yellow; cup plaited at the base, nearly smooth, faintly reticulate or papillose.

STALK:
slender, buff, 0.2 to 0.4 mm. high, filled with spore-like cells.

CAPILLITIUM: a loose, elastic network of yellowish threads about 3 µm diam., marked with transverse bands and spines arranged in an open spiral, nearly smooth elsewhere.

 
SPORES: Nearly colorless, 6-8 µm diam., marked with a few scattered warts.

PLASMODIUM: White.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland and Canterbury.
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Macro images:
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Arcyria pomiformisScale bar 
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 Scale = 1 mm.
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Arcyria pomiformisScale bar 
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 Scale = 1 mm.
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Arcyria pomiformisScale bar 
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 Scale = 1 mm.
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Arcyria pomiformisScale bar 
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 Scale = 1 mm.
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