condition mean min max Young Sterile Leaflet 6.385636666666667 0.0 16.4427 Mature Sterile Leaflet 3.70526 2.01291 6.6535 Fertile Leaflet with Sori 4.5285676666666665 0.771653 9.69084 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Meristem 0.0 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