condition mean min max Sterile Frond 6.10072 4.65207 8.84227 Fertile Frond 4.319396666666667 3.83639 5.00171 Young Stem with Root 2.93993 2.18574 3.42625 Mature Stem with Root 3.20526 1.90624 5.55454 Root 1.608563 0.262151 4.19595