condition mean min max Sterile Leaflet 1.24922 0.0 3.74766 Fertile Leaflet with Sori 0.193527 0.0 0.580581 Primary Rachis 0.0 0.0 0.0 Petiole 0.093335 0.0 0.280005 Crozier 92.14286666666666 72.359 127.948 Rhizome 89.43359666666667 8.01899 241.441 Root 10.849969999999999 2.29736 22.1791