Plasmodium watery white.
Sporocarps:- stipitate, erect, 1-2.5 mm tall.
Stalk slender, rigid, black, 66-75% of the total height.
Sporotheca globose, 0.4-0.6mm diam., silvery or iridescent bronze.
Peridium membranous, silvery, the base persisting as a collar after the upper portion has broken away.
Columella cylindric, slender, reaching 33-50% the height of the sporotheca and there dividing into 2 or more main branches which give rise to the densely anastomosed outer capillitium.
Spore-mass black. Spores violaceous grey, minutely punctate, sometimes with darker clusters
Collaria arcyrionema is listed in the following regions:
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Bodalla State ForestSurvey points
Box Cutting Rainforest WalkPlaces
Kianga, NSW