condition mean min max Sterile Leaflet 0.9328333333333334 0.0 2.7985 Fertile Leaflet with Sori 0.5802999999999999 0.0 1.7409 Primary Rachis 3.251544 0.453632 6.48331 Petiole 0.08704933333333333 0.0 0.261148 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0