Physarum cinereum
(Batsch) Pers. 1794
Description:
SPORANGIA: sessile,subglobose, or pulvinate, heaped, crowded, or scattered, often forming simple or branched plasmodiocarps, 0.3 to 0.5 mm. broad, cinereous, more or less warted or veined with white.

PERIDIUM: single, thin, densely coated or flecked with lime.

COLUMELLA: absent.

PERIDIUM: wall membranous, with included clusters of white lime granules, often limeless and iridescent.

CAPILLITIUM: abundant of branching hyaline threads, with numerous, rounded or angular, white limeknots, varying in size, sometimes consisting of a Badhamia-like network with few hyaline threads.
SPORES: Spores brownish lilac, almost smooth or spinulose, 7-10 µm diam..

PLASMODIUM:
Water/white or yellow

ECOLOGY: On dead leaves and ground debris.
DISTRIBUTION: Cosmopolitan, known from Northland, Auckland, Coromandel, Waikato, Bay of Plenty, Taranaki, Taupo, Wanganui, Wellington, Hawkes Bay, Wairarapa, Nelson, Marlborough, Gisborne, Canterbury, Southland and Dunedin.
Macro images:
Physarum cinereum
Scale bar
Scale= 0.7 mm.
 
Physarum cinereum
Scale bar
Scale= 0.7 mm.
 
Physarum cinereum
Scale bar
Scale= 1.2 mm.
 
Physarum cinereum
Scale bar
Scale= 0.7 mm.
 
Physarum cinereum
Scale bar
Scale= ? mm.
Plasmodium::
Micro: inmages:
Physarum cinereum
Scale bar
Magnification = 1000x
Spores:
 
Hidden Forest
Slime Moulds