condition mean min max Sterile Frond 14.130279999999999 0.0 38.1678 Fertile Frond 1.6615533333333334 0.0 3.96376 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.13293733333333332 0.0 0.398812 Root 0.0 0.0 0.0