Table 1. List of sample collections of Eurycoma longifolia leaves from Sumatra mainland and Riau Islands

No Sample code Population Location
1 02EL Nagari Forest/Paru Village Sijunjung District, Sijunjung Regency, West Sumatra Province
2 03EL Nagari Forest/Paru Village Sijunjung District, Sijunjung Regency, West Sumatra Province
3 04EL Nagari Forest/Paru Village Sijunjung District, Sijunjung Regency, West Sumatra Province
4 06EL Nagari Forest/Timbulun Village Sijunjung District, Sijunjung Regency, West Sumatra Province
5 07EL Nagari Forest/Timbulun Village Sijunjung District, Sijunjung Regency, West Sumatra Province
6 08EL Nagari Forest/Timbulun Village Sijunjung District, Sijunjung Regency, West Sumatra Province
7 09EL Nagari Forest/Timbulun Village Sijunjung District, Sijunjung Regency, West Sumatra Province
8 10EL Nagari Forest/Timbulun Village Sijunjung District, Sijunjung Regency, West Sumatra Province
9 A8-3 Riau A8-3 Ampang Delapan – Riau Province
10 R1EL Rumbio Kampar – Riau Province
11 R2EL Rumbio Kampar – Riau Province
12 1PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
13 4PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
14 5PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
15 6PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
16 7PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
17 8PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
18 9PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
19 10PEL Papaso Village Batang Lubu Sutan, Padang Lawas-North Sumatra Province
20 PU1T Tembesi Protected Forest Tembesi, Sagulung District, Batam City, Riau Islands Province
21 PU3T Tembesi Protected Forest Tembesi, Sagulung District, Batam City, Riau Islands Province
22 PU4T Tembesi Protected Forest Tembesi, Sagulung District, Batam City, Riau Islands Province
23 PU2D Duriangkang Protected Forest Kabil, Nongsa District, Batam City, Riau Islands Province
24 PU4D Duriangkang Protected Forest Kabil, Nongsa District, Batam City, Riau Islands Province
25 PU7D Duriangkang Protected Forest Kabil, Nongsa District, Batam City, Riau Islands Province
26 PU8TN Tiban Protected Forest Tiban Lama, Sekupang District, Batam City, Riau Islands Province
27 PU10TN Tiban Protected Forest Tiban Lama, Sekupang District, Batam City, Riau Islands Province
28 PU12TN Tiban Protected Forest Tiban Lama, Sekupang District, Batam City, Riau Islands Province
29 PU7SH Sei Harapan Protected Forest Tanjung Riau, Sekupang District, Batam City, Riau Islands Province
30 PU14SH Sei Harapan Protected Forest Tanjung Riau, Sekupang District, Batam City, Riau Islands Province
31 PU21SH Sei Harapan Protected Forest Tanjung Riau, Sekupang District, Batam City, Riau Islands Province
32 PU8N Nongsa Batam Protected Forest Sambau, Nongsa District, Batam City, Riau Islands Province
33 PU11N Nongsa Batam Protected Forest Sambau, Nongsa District, Batam City, Riau Islands Province
34 PU13N Nongsa Batam Protected Forest Sambau, Nongsa District, Batam City, Riau Islands Province
35 PU2DG Dangas Protected Forest Tanjung Pinggir, Sekupang District, Batam City, Riau Islands Province
36 PU6DG Dangas Protected Forest Tanjung Pinggir, Sekupang District, Batam City, Riau Islands Province
37 PU9DG Dangas Protected Forest Tanjung Pinggir, Sekupang District, Batam City, Riau Islands Province