Table 3. Similarities of the chromatograms of P. fruticosa samples based on the correlation coefficients.

No.	S1	S2	S3	S4	S5	S6	S7	S8
S1	1.00
S2	0.67	1.00
S3	0.63	0.63	1.00
S4	0.72	0.58	0.81	1.00
S5	0.54	0.72	0.92	0.88	1.00
S6	0.74	0.33	0.37	0.67	0.71	1.00
S7	0.37	0.51	0.52	0.42	0.83	0.61	1.00
S8	0.29	0.43	0.21	0.53	0.71	0.32	0.62	1.00