Cyathea robertsiana
Cyathea robertsiana (Subg. CYATHEA, sect. Cyathea)

IDENTIFYING FEATURES:
*  very thin (as little as 3 cm at times) trunk with neat pattern of oval leaf scars ... mountain rainforest species of NE Queensland
*  almost round flat scales on croziers
*  crown light green and naked except for scales on croziers
*  indusium on inner side of sorus, small, pale, thin