Species: Didymium squamulosum (Alb. & Schwein.) Fr.
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Description:
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SPOROCARPS: stalked or sessile sporangia or short plasmodiocarps. Scattered to gregarious up to 1.5 mm tall, appearing globose or depressed-globose, or discoid and deeply umbilicate below. 0.3 to 1.0 mm in diameter.

STALK: stout calcareous, usually fluted, white, very short and buried in the umbilicus or even lacking, but can be up to two thirds the total height of the fruiting body. Hypothallus discoid, membranous to nearly colourless to white.

PERIDIUM: membranous, slightly iridescent, transparent usually covered with a thick, white crust of stellate lime crystals that can from a reticulate surface.

COLUMELLA: white or pale, discoid or hemispherical.

CAPILLITIUM: variable the threads slender or coarse, simple or branching, colourless or pallid.

 
SPORES: Black in mass, dark violaceous brown by transmitted light, minutely warted or spiny. 8 to 11 µm in diameter.

PLASMODIUM:
Colourless, white or yellow.
HABITAT: Common, leaf litter and herbivore dung.

DISTRIBUTION: Cosmopolitan, known from Auckland, Coromandel, Dunedin, Gisborne, Nelson, Southland and Wellington.
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Macro images:
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Didymium squamulosumScale bar 
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 Scale = 0.5 mm.
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Didymium squamulosumScale bar 
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 Scale = 0.75 mm.
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Scale bar 
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 Scale = 1.5 mm.
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Didymium squamulosumScale bar 
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 Scale = 1.5 mm.
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Scale bar 
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 Scale = 1.5 mm.
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Micro images: 
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Physarum sp. 
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Spores: Dark violaceous brown by transmitted light, minutely warted or spiny. 8 to 11 µm in diameter.Magnification = 1000x
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