Physarum vernum

Description
Less than 1 cm: Use magnifying glass.
Fruit-bodies in groups, sedentary, up to 0.5 mm high and 0.3-0.8 mm wide, spherical to vermiform and branched, sometimes forming oscillating, several centimetres large communal networks, white to light grey. Plasmodium white.

Occurrence
On wood chips and fallen leaves. Spring-summer.

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