Question

what do you mean by sporogonium

Answer 1

sporogonium (plural sporogonia) The sporophyte  of a moss or liverwort consisting typically of a stalk bearing a capsule in which spores are produced, developing from a fertilized egg in the venter of the archegonium, and remaining permanently attached to the gametophyte by the base of the stalk which acts as an absorbing organ.
hope will help

Answer 2

hey dear friend!!!
sporangium: it is (in ferns and lower plants) a receptacle in which asexual spores are formed.