condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 1.7245103333333334 0.564501 3.26682 Fertile Leaflet with Sori 0.2520523333333333 0.0 0.756157 Primary Rachis 0.5929113333333333 0.267754 1.06317 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Meristem 0.13967533333333335 0.0 0.419026 Rhizome 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Young Root 0.0 0.0 0.0 Mature Root 0.0 0.0 0.0