condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.23179566666666665 0.0 0.695387 Mature Stem with Root 0.232387 0.0 0.697161 Root 6.325352 0.0 18.4085