Physarum

A member of the Myxomycetes or acellular slime moulds. Normally exists as a multinucleate plasmodium that may be many centimetres across, but if starved and stimulated by light will produce spores that later germinate to produce amoeboid cells, myxamoebae, which may transform into flagellated swarm cells. Either of these cell types may fuse to prod
Found on http://www.encyclo.co.uk/visitor-contributions.php

Physarum

large genus of true slime molds, accounting for about 20 percent of the species of the phylum Mycetozoa (Myxomycetes). Physarum polycephalum, a ...
Found on http://www.britannica.com/eb/a-z/p/62

Physarum

Physarum is a genus of mycetozoan slime molds containing the following species: ...
Found on http://en.wikipedia.org/wiki/Physarum
No exact match found