Arcyria ferruginea

Slime mold, myxomicete.
Small erect slime mould, often found in large colonies, crowded or gregarious, stalked, 1 or 2 mm total height. When young, in the plasmodium stage, is pink salmon or cream-coloured. Sporocarps, i.e., the fruiting bodies, appear usually in dense groups, sharing a common hypothallus. Stalk 0.3-0.8 mm long, with the same colour as the sporotheca. The sporocarps, are at first spherical changing when mature to short-cylindrical or pyriform, 1-2 mm tall, 0.5-1.0 mm diam., being brownish orange, terracotta, ochraceous, olive or olive-brown coloured.