condition mean min max Sterile Frond 0.025336 0.0 0.076008 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.007907366666666667 0.0 0.0237221 Mature Stem with Root 2.569652 0.152875 6.97383 Root 0.173382 0.0 0.326743