condition mean min max Sterile Leaflet 1.619316 0.123711 4.21972 Fertile Leaflet with Sori 2.4495009999999997 0.272703 4.75217 Primary Rachis 0.17830033333333334 0.126629 0.262131 Petiole 0.0 0.0 0.0 Crozier 0.08865533333333334 0.0 0.141251 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0