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| Tasmania has
seven native species in two genera of the family Gleicheniaceae.
This family is one of the most distinctive of fern groups, and is
very common in Tasmania. The key features are the spherical
sporangia clustered in small groups (typically three or four), and
the branching pattern of the fronds. The terminal parts of the
fronds are very regularly pinnate or bipinnate, but the basal parts
are dichotomously branched. In most species of Gleichenia,
the pinnules are curved over to form cups around the sporangia. |
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