condition mean min max Sterile Frond 0.048677 0.0 0.146031 Fertile Frond 2.470403333333333 0.0 7.41121 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.235724 0.132925 2.76144 Root 0.048107000000000004 0.0 0.144321