Analysis of plant stem, roots and froots

With this google search I found some good hits:

https://www.slicer.org/wiki/Main_Page/SlicerCommunity/2019#Isolating_Phyllotactic_Patterns_Embedded_in_the_Secondary_Growth_of_Sweet_Cherry_.28Prunus_Avium_L..29_Using_Magnetic_Resonance_Imaging