condition mean min max Sterile Frond 1.9827123333333334 0.0 5.12235 Fertile Frond 3.6330386666666663 0.0 10.6893 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