condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 1.1618616666666666 0.0 2.67116 Fertile Leaflet with Sori 2.5407900000000003 1.60016 3.07907 Primary Rachis 0.24216833333333332 0.0 0.726505 Secondary Rachis 0.066055 0.0 0.198165 Petiole 0.0 0.0 0.0 Meristem 0.53038 0.0 1.59114 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