||Pinus (Pinus merkusii), Sampinur bunga (Podocarpus imbricatus), Sampinur rope (Dacrydium junghuhnii), and Anturmangan which belong to the type of leaf needle. While the broad-leaved include: Frankincense (Styrax sp), Hoting (Quercus sp), Suren (Toona sureni), Haundolok (Eugenia sp) and so on.
As for all stratum growth (seedling, stake, pole, and tree) the others are Anturmangan (Dacrydium junghuhni), Hapas -Hapas (Exbucklandia populnea RW), Sihondung (-), and Hoting (Quercus sp.). But in the Dolok Saut Nature Reserve very little found the types of orchids both orchid and tree orchids.
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