condition mean min max Sterile Frond 5.302476666666666 0.0 14.3363 Fertile Frond 1.79082 0.0 5.37246 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.075496 0.0 0.226488 Root 0.15535433333333334 0.0 0.466063