A well developed archegonium with neck consisting of 4-6

A well developed archegonium with neck consisting of 4-6 rows of neck canal cells, characterises

1. Gymnosperms only
2. Bryophytes and pteridophytes
3. Pteridophytes and gymnosperms
4. Gymnosperms and flowering plants

Archegonia is the female sex organ of bryophytes and pteridophytes. Its neck region is made up of 4-6 vertical rows of cells.