condition mean min max Sterile Frond 0.027848233333333333 0.0 0.0835447 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.12539799999999998 0.0 0.376194 Mature Stem with Root 0.0290512 0.0 0.0871536 Root 4.5464 0.0 13.6392