	observed_species	chao1	PD_whole_tree
PC.636	48.0	181.2	5.23032
PC.635	66.0	397.5	5.92814
PC.356	61.0	176.0	4.06845
PC.481	60.0	232.5	5.08945
PC.354	52.0	216.0	4.58103
PC.593	39.0	99.0	4.54716
PC.355	51.0	114.0	3.65529
PC.607	63.0	210.0	6.26568
PC.634	50.0	216.5	5.94858