condition mean min max Sterile Leaflet 2.11383 0.0 6.34149 Fertile Leaflet with Sori 0.0227368 0.0 0.0682104 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 47.931266666666666 45.4115 49.6432 Rhizome 2.916707666666667 0.0 8.64836 Root 0.452597 0.0 1.08888