condition mean min max Sterile Frond 0.2156296666666667 0.0 0.646889 Fertile Frond 2.3335233333333334 0.0 7.00057 Young Stem with Root 0.062336 0.0 0.187008 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0