condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.134403333333333 0.0 6.40321 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09328866666666667 0.0 0.279866 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