Table 3 Distribution range of the broad-leaved trees observed on the subalpine zone in the six national parks of the Baekdudaegan mountain range

Ranunculaceae

Clematis fusca var. flabellata (Nakai) J.S. Kim

15–17

Clematis koreana Kom.

14–17

14–16

13–16

10–11

12–15

14–17

Betulaceae

Alnus mandshurica (Callier) Hand.-Mazz.

16–17

Betula chinensis Maxim.

11–17

10–12

14–15

Betula ermanii Cham.

11–17

12–16

10–16

11–15

11–15

11–17

Ericaceae

Rhododendron brachycarpum D. Don ex G. Don

16–17

Rhododendron tschonoskii Maxim.

13–15

Rosaceae

Rosa acicularis Lindl.

14–17

15–16

15–16

16–17

Rosa davurica Pall.

16–17

Rosa koreana Kom.

16–17

Spiraea chamaedryfolia L.

15–16

Celastraceae

Euonymus sachalinensis (F. Schmidt) Maxim.

10–15

12–15

13–14

Rhamnaceae

Rhamnus davurica Pall.

12–15

Aceraceae

Acer ukurunduense Trautv. & C.A. Mey.

10–16

14–15

11–16

Araliaceae

Oplopanax elatus (Nakai) Nakai

16–17

Oleaceae

Fraxinus chiisanensis Nakai

10–13

15–16

Syringa wolfii C.K. Schneid.

14–17

13–16

14–16

Caprifoliaceae

Lonicera caerulea L.

16–17

15–16

Lonicera chrysantha Turcz. ex Ledeb.

10–14

Lonicera maximowiczii (Rupr.) Regel

15–17

15–16

14–16

Viburnaceae

Viburnum dilatatum Thunb.

12–13