condition mean min max Sterile Frond 4.458 4.2311 4.76676 Fertile Frond 8.896560000000001 4.87276 16.2136 Young Stem with Root 8.361633333333334 4.80205 11.0163 Mature Stem with Root 9.709936666666668 7.0384 14.5524 Root 11.4099 8.1072 15.4724