Linked from
The 27 pages that link to Alternation of generations, each with the reason it gives.
Seed plantRelated: Seed plants retain and nourish the female gametophyte within the sporophyte.
HaploidRelated: Plants and some algae include a multicellular haploid generation.
PloidyRelated: It makes ploidy shifts a regular feature of the life cycle.
PteridophyteRelated: Their life cycle includes a spore-producing plant and a gamete-producing stage.
BryopsidaRelated: Bryopsida alternates a leafy gametophyte with a dependent diploid sporophyte.