condition mean min max Sterile Leaflet 2.231 1.70988 2.68961 Fertile Leaflet with Sori 2.88518 0.0 6.01326 Primary Rachis 0.49288 0.0 1.47864 Secondary Rachis 1.5505166666666665 0.0 2.49396 Petiole 0.13728633333333332 0.0 0.411859 Crozier 0.0 0.0 0.0 Root 0.24135900000000002 0.0 0.478426