|I found this here here
The large thallose liverworts
Marchangia berteroana This liverwort commonly has a rosette form, 12 cm in diameter. This plant is covered with numerous raised cup-shaped gemmae. This species is widespread throughout the country in damp areas.
Sue I may not be correct but it does fit from where I found it and it does look very similar.
Rare NZ Snail (15)