condition mean min max Sterile Leaflet 0.8627573333333334 0.318689 1.58229 Fertile Leaflet with Sori 2.934875 0.203485 5.935 Primary Rachis 0.286462 0.0 0.44482 Secondary Rachis 0.5102806666666667 0.0 0.953616 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.323436 0.097009 0.558715