condition mean min max Sterile Frond 0.14005833333333334 0.0 0.420175 Fertile Frond 2.251306666666667 0.0 6.75392 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.38677999999999996 0.0 1.16034 Root 0.123728 0.0 0.371184