condition mean min max Sterile Frond 11.205883333333333 0.0 29.7887 Fertile Frond 1.0425333333333333 0.0 3.1276 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0