 Ranunculus (buttercup) root cross-section |
 Central region of a Ranunculus root cross-section showing the tetrarch stele |
 Central region of a Ranunculus stele showing the phloem in between xylem poles |
 Smilax root cross-section |
 Smilax root stele showing the xylem and phloem tissues |
 Another view of a Smilax root stele showing the xylem and phloem tissues |
 Endodermis of a Smilax root showing extreme suberization |  Longitudinal section through a corn root |
 Corn root cross-section showing a root branch |
 Another longitudinal section of a corn root |
 Longitudinal section of the corn root showing the root cap |
 Longitudinal section of a corn root showing the meristem |
 Cross-section through an old pine root |
 A Salix root forming a branch |
 Liriodendron tulipifera root |
 Tilia root (several years old) |