condition mean min max Sterile Frond 14.07679 8.51697 21.7479 Fertile Frond 16.10138 6.96304 27.7516 Young Stem with Root 10.21299 7.92957 13.0227 Mature Stem with Root 9.250143333333334 8.50561 10.3107 Root 14.886433333333333 10.5234 21.5127