condition mean min max Sterile Frond 0.34535 0.0 1.03605 Fertile Frond 0.8041456666666666 0.0 1.52301 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 11.310896 0.0 33.3427 Root 0.6239633333333333 0.0 1.87189