Sporophyte is the dominant stage in the life cycle of
I. Pteridophytes
II. Gymnosperms
III. Angiosperms
IV. Fucus
In plants with diplontic life cycle the sporophyte is dominant and gametophyts are shorlived and unicellular or few celled. In Pteridophytes the gametophyte is though multicellular it is short lived comapared to the dominant sporophyte.