English: Longitudinal section of the different stages of sporophytes of Marchantia. Both immature and mature sporophytes can be seen with the spores and elaters within. A=Young embryo, B=Young sporophyte, C=Developing sporophyte, D=Foot, E=Seta (stalk), F=Calyptra, G=Pseudoperianth, H=Mature sporophyte, I= Spores and elaters. Scale = 0.9mm.