condition mean min max Sterile Frond 1.7969133333333334 0.0 5.39074 Fertile Frond 3.2085933333333334 0.0 9.62578 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.9253999999999999 0.0 2.7762 Root 0.33985 0.0 1.01955