condition mean min max Sterile Leaflet 1.7544870000000001 0.573642 4.10519 Fertile Leaflet with Sori 12.416353333333333 9.72566 14.5467 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.4799361333333333 0.0992414 0.739058 Rhizome 1.4950533333333333 1.19291 1.79982 Root 0.0423684 0.0 0.0973202