condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.143643 0.673489 3.35413 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09534633333333332 0.0 0.286039 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0