Polysiphonia is not a valid species

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Polysiphonia abscissa - 2 collection objects

Polysiphonia abscissoides - 1 collection objects

Polysiphonia amphibolis - 1 collection objects

Polysiphonia australiensis - 3 collection objects

Polysiphonia beaudettei - 1 collection objects

Polysiphonia brodiei - 14 collection objects

Polysiphonia crassiuscula - 1 collection objects

Polysiphonia croajingolongensis - 10 collection objects

Polysiphonia daveyae - 2 collection objects

Polysiphonia decipiens - 79 collection objects

Polysiphonia denudata - 2 collection objects

Polysiphonia elongata - 6 collection objects

Polysiphonia flexicaulis - 1 collection objects

Polysiphonia infestans - 23 collection objects

Polysiphonia isogona - 8 collection objects

Polysiphonia mollis - 18 collection objects

Polysiphonia pacifica - 1 collection objects

Polysiphonia paniculata - 1 collection objects

Polysiphonia pernacola - 2 collection objects

Polysiphonia perriniae - 1 collection objects