condition mean min max Sterile Leaflet 0.0316624 0.0 0.0614587 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.2646933333333332 0.0 6.79408 Root 1.3442623333333332 0.0 3.72017