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Isoetes (Isoetaceae) |

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| Tasmania
has five native species of Isoetes (quill worts).
These are all aquatic or semi-aquatic plants with
cylindrical or conical leaves arranged in grass-like tufts
(though the leaves are often much thicker than those of most
grasses). The spores occur in sporangia in the axils of the
leaves. |
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