condition mean min max Sterile Frond 0.9960600000000001 0.0 1.7822 Fertile Frond 4.312966666666667 0.0 12.9389 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.4677956666666667 0.0 4.1276 Root 0.0 0.0 0.0