condition mean min max Sterile Leaflet 0.130483 0.0 0.391449 Fertile Leaflet with Sori 1.73051 0.0 3.0901 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11183566666666667 0.0 0.234409 Petiole 4.00898 0.0 9.9115 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0