Oligonema verrucosum
(Berk.) García-Cunch., J.C. Zamora & Lado 2022
Description:
SPORANGIA: total height 2 to 4 mm., stalked, rarely sessile, piriform or clavate, clustered or solitary, to 4 mm. high, 0.8 mm. broad, ochraceous yellow; mass of elaters and spores golden yellow.

PERIDIUM:
membranous, minutely and closely papillose on the inner side, pale yellow, sometimes with an outer layer thickened by granular deposits.

STALK: membranous, 1 to 2 mm. high, usually combined in clusters of three or four, rugose, yellowish brown or dark brown.

CAPILLITIUM: of long cylindrical elaters 4-6 µm wide, with short, conical ends, marked with three to five narrow spiral bands, smooth or with a few scattered spines.

SPORES: Rreticulate, with narrow, minutely pitted bands forming a network with about seven meshes to the hemisphere, 13-16µm diam.

PLASMODIUM: White.
HABITAT: On dead wood.

DISTRIBUTION: Cosmopolitan, known from Auckland, Taranaki, Hawkes Bay, Taupo, Wellington, Buller, Westland, Fiordland Canterbury, Southland and Dunedin
Macro images:
Oligonema verrucosum
Scale bar
Scale= 1 mm.
 
Oligonema verrucosum
Scale bar
Scale= 1 mm.
 
Oligonema verrucosum
Scale bar
Scale= 1 mm.
 
Oligonema verrucosum
Scale bar
Scale= 1 mm.
Micro Image:
Oligonema verrucosum
Scale bar
Magnification = 400x
Spores:
 
Hidden Forest
Slime Moulds