Kingdom:   Amoebozoa
Phylum:     Mycetozoa
Class:        Myxogastria
Order:       Trichiida
Family:      Arcyriaceae
Genus:      Arcyria
Species: A. oerstedii
Binominal name: Arcyria oerstedii
Synonyms:     Arcyria fuliginea

Arcyria oerstedii is a cosmopolitan slime mould found growing old damp dead wood. When mature it forms what is called capillitiums which are nets of threads which aids in the dispersal of the dry spores.

For more details visit: http://www.hiddenforest.co.nz/slime/family/arcyriaceae/arcyr07.htm

Slime Mould Arcyria oerstedii.JPG

Slime Mould Arcyria oerstedii-001.JPG

Slime Mould Arcyria oerstedii-002.JPG 

Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/