condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.38533666666666666 0.0 1.15601 Fertile Leaflet with Sori 3.177466666666667 0.0 9.5324 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Meristem 0.165832 0.0 0.497496 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