Korean Pine (Russian name: §³§Ú§Ò§Ú§â§ã§Ü§Ñ§ñ §ã§à§ã§ß§Ñ/§¬§Ö§Õ§â):
On-site Identifying Kernel: trunk¡¯s section has salient resin rings, with a gradual change from springwood to autumn wood which is narrow; resin canal large and in large numbers; resin groove obvious in the longitudinal section; knot deep-colored and greasy.
Larch (Russian name: §§Ú§ã§ä§Ó§Ö§ß§ß§Ú§è§Ñ ):
On-site Identifying Kernel: its inner layer becomes peachblow after the shuck drops off; distinction between heartwood and sapwood extremely clear; growth ring extremely obvious, with a surging change from springwood to autumn wood and normal resin canal.
Birch (Russian name: §¢§Ö§â§×§Ù§Ñ):
On-site Identifying Kernel: shuck smooth, growing wild, pinky white with powder, sometimes with brown endodermis on the surface; diffuse-porous wood; no clear distinction between heartwood and sapwood; siphon pore wider than xylem ray; Russian birch includes two categories, one with fine bark and the other with dappled bark.