condition mean min max Sterile Frond 0.016797433333333334 0.0 0.0503923 Fertile Frond 21.793613333333333 1.04092 59.4863 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