condition mean min max Sterile Frond 0.5562533333333334 0.0 1.66876 Fertile Frond 3.5888333333333335 0.0 10.7665 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