condition mean min max Sterile Leaflet 2.98521 0.62706 5.29155 Fertile Leaflet with Sori 1.32932 0.0 2.23419 Primary Rachis 0.667936 0.492872 0.932327 Secondary Rachis 1.3001603333333334 0.191291 2.3709 Petiole 0.77357 0.322075 1.28164 Crozier 1.462853 0.274963 3.81407 Root 0.19264633333333334 0.0 0.309127