condition mean min max Young Sterile Leaflet 1.5858286666666668 0.0 4.00297 Mature Sterile Leaflet 2.945658 0.101094 4.86719 Fertile Leaflet with Sori 2.323916666666667 1.79589 3.07471 Primary Rachis 0.3235673333333333 0.0 0.970702 Secondary Rachis 0.313101 0.0 0.801069 Petiole 0.0 0.0 0.0 Meristem 0.307009 0.0 0.640691 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