condition mean min max Young Sterile Leaflet 0.20699266666666669 0.0 0.620978 Mature Sterile Leaflet 19.376833333333334 0.0 58.1305 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.133043 0.0 0.399129 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Meristem 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Young Root 0.22149666666666668 0.0 0.66449 Mature Root 1.23038 0.0 3.69114