Table 2. Number of understory vegetation samples by species or type.
| Classification | Species / Type | Number of samples |
| Young tree | Pinus koraiensis | 13 |
| Castanea crenata | 6 |
| Fraxinus rhynchophylla | 3 |
| Quercus mongolica | 2 |
| Zanthoxylum schinifolium | 2 |
| Lindera obtusiloba | 1 |
| Prunus sargentii | 1 |
| NAa | 10 |
| Total | 38 |
| Herbaceous layer | herbs | 76 |
| ferns | 15 |
| Total | 91 |
Some samples could not be identified to the species level due to their small size or other limitations.