Key Difference – Thallophyta vs Bryophyta According to the earliest classification of the plant kingdom, there were two sub-kingdoms; Cryptogamae (seedless plants) and Phanerogamae (seed-bearing plants). The sub-kingdom Cryptogamae is further divided into three divisions, namely; Thallophyta, Bryophyta, and Pteridophyta. According to this classification, both Thallophyta and Bryophyta include very primitive plants with no […]