condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.012814399999999998 0.0 0.0384432 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.08380133333333334 0.0 0.251404 Root 6.0203999999999995 0.0 18.0612