Table 1.

The origins of the plant material examined in this work.

Plants collected (Scientific name)	Locality	Geographic Coordinates and altitudes
V. albida var. takahashii	Mt. Cheonma, Namyangju-si, Gyunggi-do, South Korea	N37°41′43.0″ E127°17′25.5″, 213 m
V. mandshurica	Kangwon National University Campus, Chuncheon-si, Gangwon-do, South Korea	N37°52′25.9″ E127°44′68.6″ 110 m
V. orientalis	Mt. Daeryong, Sumit area, Chuncheon-si, Gangwon-do, South Korea	N37°50′68.8″ E127°49′12.5″ 860 m
V. verecunda	Mt. Daeryong, Valley area, Chuncheon-si, Gangwon-do, South Korea	N37°50′03.5″ E127°49′80.7″ 415 m
V. acuminata	Mt. Oeum, Hoengsung-gun, Gangwon-do, South Korea	N37°36′34.9″ E127°56′12.9″ 619 m