Didymium listeri
Massee
Description:
SPOROCARPS: Forming sporocarps or plasmodiocarps, sessile, pulvinate, 0.3-0.5 mm high, up to 15 mm long, white.

HYPOTHALLUS: inconspicuous.

PERIDIUM: double, the outer layer eggshell-like with a powdery layer of stellate crystals, the inner layer a delicate membrane.

COLUMELLA: either absent or represented by a thickened calcareous base to the myxocarp.

CAPILLITIUM: abundant, of rigid, dark brown threads connected by transverse bars, joined by pale tips to the peridium.

SPORES: violet-brown, 9-11 µm diam., minutely roughened.

PLASMODIUM: watery white.
HABITAT: leaf litter.

DISTRIBUTION: Cosmopolitan, known from Auckland, Westland, Central Otago.
Macro images:
Didymium listeri
Scale bar
Scale= 0.7 mm.
 
Didymium listeri
Scale bar
Scale= 0.7 mm.
 
Didymium listeri
Scale bar
Scale= 0.7 mm.
Micro Images:
Didymium listeri
Scale bar
Magnification = 1000x
Spores: Dark purplish brown by transmitted light, closely warted. 10 to 15 µm in diameter.
Didymium listeri
Scale bar
Magnification = 400x
Capillitium:
Didymium listeri
Scale bar
Magnification = 400x
Capillitium: Showing some of the threads that make up Capillitium an crystals that are found within
 
 
Hidden Forest
Slime Moulds