condition mean min max Sterile Leaflet 0.91567 0.289268 1.99819 Fertile Leaflet with Sori 3.708478 0.911394 6.45407 Petiole 0.754575 0.0 1.38253 Crozier 1.805117 0.459111 2.55101 Rhizome 0.8153658333333333 0.0420075 1.23784 Root 0.17190753333333333 0.0910936 0.231168