Linked from
The 10 pages that link to Antheridium, each with the reason it gives.
SporophyteRelated: Its sperm can fertilize an egg, initiating the sporophyte generation.
MossRelated: Moss antheridia release sperm that swim through water to reach eggs.
Plant life cycleRelated: In bryophytes and ferns, it supplies sperm for fertilization.
EmbryophyteRelated: Motile sperm from antheridia fertilize eggs in water-dependent plant lineages.
PteridophyteRelated: The gametophyte bears antheridia that release sperm.
DryopteridaceaeRelated: Its motile sperm can fertilize eggs on damp dryopteridaceous gametophytes.