condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.33656 0.0 7.00968 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.121383333333333 0.0 7.07951 Root 0.9030573333333334 0.0 2.56685