condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.032636233333333334 0.0 0.0979087 Petiole 0.67489 0.0 1.01451 Crozier 0.098213 0.0 0.294639 Rhizome 2.111353333333333 0.0 4.40173 Root 2.095565 0.208805 3.84927