condition mean min max Sterile Frond 3.5006310000000003 0.190273 8.84082 Fertile Frond 1.385513 0.643772 2.62521 Young Stem with Root 1.39269 0.0 4.17807 Mature Stem with Root 1.353323 0.4627 3.00404 Root 3.535846333333333 0.203909 7.93463