condition mean min max Sterile Frond 5.58402 1.41475 8.64919 Fertile Frond 3.58385 2.03943 6.20722 Young Stem with Root 1.18745 0.0 2.11488 Mature Stem with Root 4.422806666666666 1.42214 10.3141 Root 0.5884593333333333 0.0 1.03036