condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.6385203333333336 0.0 7.13393 Fertile Leaflet with Sori 0.49104166666666665 0.0 1.31591 Primary Rachis 0.15816 0.0 0.47448 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 0.0 0.0 0.0 Mature Root 0.0 0.0 0.0