Table 2. Number of endophytic fungi with different DPPH radical-scavenging rates.

a) SR	Number of endophytic fungi
	b) Rc	c) Ra	d) Rs	Total (%)
<50%	37	15	14	66 (36.67)
≥50%	34	42	38	114 (63.33)
50%–60%	14	18	15	47 (26.11)
60%–70%	5	12	12	29 (16.11)
70%–80%	6	6	7	19 (10.56)
80%–90%	6	5	3	14 (7.78)
90%–100%	3	1	1	5 (2.78)

^a) SR, DPPH radicals-scavenging rates

^b) Rc, Rhodiola crenulata

^c) Ra, R. angusta

^d) Rs, R. sachalinensis.