Liverworts 苔 (Hepatophyta)Marchantia 地錢 archegoniophore elaters with helically arranged hygroscopic (moisture-absorbing) wall thickenings spores with thick spore wall elaters: Changes in humidity lead to a twisting action of elaters that facilitates dispersal of the spores spores: Haploid spores, product of meiosis 1 2 1 2 Previous Next