condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.15043900000000002 0.0 0.451317 Young Stem with Root 2.617236666666667 0.270298 6.79929 Mature Stem with Root 22.019353333333335 0.0 61.0225 Root 98.231292 0.128376 236.837