All of these images are the transverse section of Nephrodium.
This is the vascular bundle of the pteridophyte Nephrodium. Vascular bundle contains xylem and phloem. Vascular bundle is present in the mid rib.
This is the sorus of Nephrodium which contains many sporangia and the sporangia contains spores. Spores are the product by which Nephrodium reproduces asexually.
The whole transverse section.
