condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.6283866666666666 0.0 4.88516 Mature Stem with Root 0.0 0.0 0.0 Root 2.64662 0.0 7.93986