Answer: gametophytes

AnswerCrossword Clue
gametophytesGAMETOPHYTE, the haploid stage in the life cycle of an organism undergoing alternations of generations
gametophytes(in the life cycle of plants with alternating generations) The gamete-producing and usually haploid phase, producing the zygote from which the sporophyte arises. It is the dominant form in bryophytes