condition mean min max Sterile Frond 0.82452 0.0 2.47356 Fertile Frond 2.069926 0.0 5.99101 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.06258433333333334 0.0 0.187753 Root 0.251893 0.0 0.755679