Algal flora of Tibagi River, state of Paraná, Brazil IV: genera Micrasterias, Staurastrum e Xanthidium (Zygnemaphyceae)
Ficoflórula do Rio Tibagi, estado do Paraná, IV: gêneros Micrasterias, Staurastrum e Xanthidium (Zygnemaphyceae)
Ficoflórula do Rio Tibagi, estado do Paraná, IV: gêneros Micrasterias, Staurastrum e Xanthidium (Zygnemaphyceae)
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