condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.5619606666666667 0.155478 1.37288 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.7997853333333333 0.425816 4.5792 Root 0.9355640000000001 0.301357 1.56254