condition mean min max Sterile Frond 12.50143 0.0 31.5766 Fertile Frond 1.6918533333333334 0.0 5.07556 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