condition mean min max Sterile Frond 0.04677133333333333 0.0 0.140314 Fertile Frond 0.14173243333333332 0.0746633 0.187886 Young Stem with Root 0.4641213 0.0 1.30905 Mature Stem with Root 14.383982000000001 0.997666 39.5309 Root 19.88292 3.16786 37.2157