Marchantia is a dioecious plant. Male plants bear antheridiophores and female plants bear archegoniophores. Antheridiophores consists of a stalk and a disc like portion called receptacle. Older antheridia are at the centre and younger developing antheridia are found at the margins. Archegoniophore like antheridiophore is also a modified vegetative branch. Archegoniophore is composed of a stalk and disc like receptacle at its distal end.