Table 3 Results of the Relative Rate Test carried out in GRate [56]; using only unambiguously aligned positions; not significant: N.S. ( p > 0.05; relative rates not significantly different at 5 % level). Asterisks: p = 0.05 > * > 0.01 > ** > 0.005 > *** (relative rates significantly different)

From: Hidden genetic diversity in the green alga Spirogyra (Zygnematophyceae, Streptophyta)