Didymium squamulosum
(Alb. & Schwein.) Fr
Description:
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
Macro images:
Didymium squamulosum
Scale bar
Scale= 0.5 mm.
 
Didymium squamulosum
Scale bar
Scale= 0.75 mm.
 
Didymium squamulosum
Scale bar
Scale= 1.5 mm.
 
Didymium squamulosum
Scale bar
Scale= 1.5 mm.
 
Didymium squamulosum
Scale bar
Scale= 1.5 mm.
Micro images:
Didymium squamulosum
Scale bar
Magnification = 1000x
Spores: Dark violaceous brown by transmitted light, minutely warted or spiny. 8 to 11 µm in diameter.
 
 
Hidden Forest
Slime Moulds