condition mean min max Sterile Leaflet 0.013979433333333334 0.0 0.0215451 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.04013133333333333 0.0 0.120394 Root 4.4158479999999996 0.111024 12.9529