condition mean min max Young Sterile Leaflet 12.015913333333334 0.0 32.9959 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.273723333333334 0.0 11.9512 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Meristem 0.08949 0.0 0.26847 Rhizome 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Young Root 0.0 0.0 0.0 Mature Root 0.0 0.0 0.0