Notoscyphus balticus
... that only a single stem of the fossil liverwort Notoscyphus balticus was used to describe the species?
... that only a single stem of the fossil liverwort <i id="mwCOs"><b id="mwCOw"><a href="./Notoscyphus_balticus" id="mwCO0" rel="mw:WikiLink" title="Notoscyphus balticus">Notoscyphus balticus</a></b></i> was used to describe the species?