In
Tasmania, Conostomum is represented by two species, C.
pentastichum and C. pusillum.
The leaves of Conostomum are arranged in 5 ranks on the
stem. This character is very clearly defined in C. pentastichum.
In C. pusillum however, this character is not as easily
discerned as the leaves tend to twist slightly around the stem.
Nevertheless, C. pusillum tends to be smaller (stems up to
6mm tall) than C. pentastichum (up to 20mm).
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