Species: Arcyria obvelata (Oeder) Onsberg.
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Description:
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SPOROCARPS: stalked, clustered, cylindrical, when unexpanded 1.5 to 2 mm. high, 0.3 to 0.5 mm. Broad, yellow or buff; cup of sporangium membranous, flaccid, reticulate and often spinulose on the inner side, interruptedly plicate.

STALK: buff, short or elongate, weak, filled with spore-like cells.

CAPILLITIUM: an elastic network of pale yellow, terete or flattened threads 3-4 µm diam., expanding into a drooping column 8 to 12 mm. long, free from the cup or with few attachments; thickenings on the threads in the form of sharp spines and half-rings arranged in a loose spiral, and of scattered spinules and short lines of broken reticulation; free ends more or less numerous, clavate.

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

PLASMODIUM: Watery white.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan , known from Auckland, Taranaki, Bay of Plenty, Dunedin and Southland.
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Macro images:
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Arcyria obvelataScale bar
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 Scale = 0.25 mm.
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Arcyria obvelataScale bar 
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 Scale = 0.25 mm.
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Arcyria obvelataScale bar 
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 Scale = 0.25 mm.
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Arcyria obvelataScale bar 
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 Scale = 0.25 mm.
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Micro images: 
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Arcyria obvelataScale bar 
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 Magnification = 400x
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Arcyria obvelataScale bar 
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 Magnification = 400x
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