Key Difference – Riccia vs Marchantia Riccia and Marchantia are two plant genera of family Marchantiaceae. The key difference between Riccia and Marchantia is Riccia genus is featured by dichotomously branched rosette-like thallus while Marchantia genus is featured by barrel-shaped air pores and gemmae cups. Bryophytes are small, non-vascular plants of Kingdom Plantae that […]