condition mean min max Sterile Frond 0.3136483333333333 0.132539 0.444111 Fertile Frond 1.8206099999999998 1.62065 2.03068 Young Stem with Root 0.9001129999999999 0.107479 2.30829 Mature Stem with Root 2.4027026666666664 0.961518 3.1517 Root 7.24938 3.74139 12.3628