Species: Physarum album (Bull.) Chevall.Go Back
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Description:
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SPORANGIA: gregarious, total height 1 to 1.5 mm., erect or nodding, subglobose or lenticular, more or less flattened or concave beneath, 0.4 to 0.7 mm. broad, stalked, white, grayish white, or iridescent from absence of lime; sporangial wall membranous, with included white lime-granules in more or less dense clusters.

STALK: subulate, longitudinally wrinkled, and gray, yellowish, olivaceous, or black, translucent above, sometimes opaque and white from deposits of lime in the wall, the tube of the stalk containing refuse matter.

CAPILLITIUM:
of colorless slender threads, branching at acute angles and anastomosing, with few flat expansions at the axils, and few small, white lime nodes.

 
SPORES: Brownish violet, minutely spinulose or nearly smooth, 8-10 µm diam.

PLASMODIUM:
Watery white or yellowish gray.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland, Coromandel, Nelson, Buller, Westland, South Canterbury, Southland and Dunedin.
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Macro images:
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Physarum nutansScale bar
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 Scale = 0.25 mm.
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Physarum nutansScale bar 
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 Scale = 0.6 mm.
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Physarum nutansScale bar 
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 Scale = 0.5 mm.
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Physarum nutansScale bar 
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 Scale = 0.5 mm.
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