@misc{indiciae89cf5ec46bc9,
  title = {Phyllotactic patterns on plants.},
  author = {Patrick D Shipman and Alan C Newell},
  year = {2004},
  doi = {10.1103/physrevlett.92.168102},
  url = {https://pubmed.ncbi.nlm.nih.gov/15169264/},
  note = {Source identifier: 15169264}
}