Key to Tasmanian Dicots
Cyathea (Cyatheaceae)

Tasmania has two native species of Cyathea, as well as a naturally occurring hybrid between these species. These are all true tree ferns, and differ from the other genus of tree fern (Dicksonia) in that the trunks are not fibrous and the sporangia are on the lamina away from the edge. The sori may be naked or covered with a peltate (umbrella-like), membranous indusium.

Key to species 
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