condition mean min max Sterile Frond 21.960566666666665 14.4609 27.0183 Fertile Frond 16.0396 10.6199 20.3723 Young Stem with Root 9.47499 7.79294 11.0545 Mature Stem with Root 10.96857 7.63311 13.7637 Root 6.15331 4.13136 7.4965